Parts

These bar end adapters are required if you wish to add clamp-style bar ends to your Bontrager Satellite Plus Isozone handlebars. - Required for bar end use on Satellite Plus Isozone bars - For use with clamp style bar ends - Includes 2 adapters and 2 rubber handlebar inserts. - Bar end sold separately

Key features: - Original equipment replacement saddle ears for use with Bontrager saddles with carbon rails - Compatible with Bontrager and Trek rotary head seatpost and seat mast systems - Consult with manufacturer on compatibility with other saddle brands

Get ready to ride Take your riding to the next level with Bontrager Comp road pedals. A fully-adjustable release tension lets you dial in the right feel for your ride and adds the confidence and efficiency of a secure connection to your bike. Durable materials and sealed cartridge bearings ensure lasting performance for this Look Keo-style pedal. Cleats and hardware included. - Road pedals with Look KEO-style compatibility - Durable Chromoly spindle for long-lasting durability - Sealed cartridge bearings provide smooth, reliable feel - Adjustable release tension - Includes cleats and mounting hardware - Spindle diameter: 9/16-inch - Weight: 282g

For reliable mountain bike shifting, Shimano's SL-M315 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. - Slim main lever body - OPTISLICK for smooth shifting performance - Gear display positioned below the handlebar - Numbered gear display indicates gear position at a glance - Light shifting operation, wider compatibility, and suitable for internal cable routing - Streamlined cockpit experience

A fitness saddle that combines a full cut-out with air foam and a dual density shell for comfort and support on every ride. The Commuter Comp saddle offers the comfort of a full cutout saddle with the support of a saddle designed specifically for commuters and fitness riders. A durable, weather-resistant cover material protects the dual density shell and air foam construction of the saddle for long-lasting comfort wherever you ride. Plus, a simple integrated Blendr mount makes it easy to add a Bontrager Flare rear light. - Fitness Posture 4 features an upright pelvic rotation to go farther, faster - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Dual-density shell and air foam construction is soft yet supportive - Tough, weather-resistant cover repels water - Blendr attachment allows for integrated rear light mounting

The latest generation Thudbuster ST is superior to its predecessor in every way. Building on Thudbuster's proven parallel linkage technology we have completely re-designed the seatpost for increased durability, a higher rider weight limit, and additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design. By improving on this already legendary design, we're confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made. - Travel: 50mm - Weight: 580g - Max Rider Weight: 330lbs

An integrated bar and stem combo that cleanly and securely holds cables for a refined look and added aerodynamics. Save watts, ride faster This aero upgrade cleans up your cockpit by securely storing cables for a refined look and free speed. The Aeolus RSL bar/stem combo is proven in the wind tunnel to save 7 watts, making it 10% faster than its predecessor. It's light, fast, easy to install, and Blendr-compatible for seamless integration of your light or Garmin. Product details - OCLV Carbon construction is ultra-light, compliant, and durable - Integrated bar/stem design improves aerodynamics and saves weight - Proven in the wind tunnel to save 7 watts, making it 10 % faster than its predecessor - Integrated cable management system held secure with M4 hex bolt, 5Nm torque - Variable Radius Compact (VR-C) design allows longer reach and drop - Includes Blendr mono and duo bases with mounts for Ion light and Garmin computer - Approved for use with carbon or alloy steerer

Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager Pro Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look

Genuine replacement parts When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. Details: - Replacement cartridge units for Bontrager Line Dropper seat posts - Be sure to use the correct size cartridge for the respective amount of travel - Regular maintenance will help maintain performance and extend the lifespan

Comfortable performance for road or trail Arvada Comp adds comfort and reduces soft tissue pressure by creating a strategic cut-out in the saddle shell. This allows the softer finishing material across the shell cut-out to be more compliant, resulting in added comfort for the rider. With Arvada Comp, you get the benefits of a cut-out saddle with the classic look and feel of a more traditional design. Key features - Performance Posture 3 for pelvic rotation with a balance of comfort and efficiency - Channel Flex on bottom of shell for added compliance - Zone Density shell construction is strategically placed for optimal comfort and performance - Size Specific Curvature ensures each saddle is designed specific to its width - inForm BioDynamic products optimize your natural movement for sustained, higher performance

A performance dropper post with MaxFlow technology for faster, smoother operation. The Line Elite 31.6 Dropper is easy to set up and easier to drop, with 20% less saddle force required. Avid Matchmaker and Shimano I-Spec II compatibility ensures simple, integrated setup and the included lever provides a great feel with an easy push. Length options from 100mm to 170mm travel ensure there is a size for your ride. Designed for bikes with internal frame routing. - Infinitely adjustable air-sprung hydraulic locking cartridge with 20 percent reduction in compression force - MaxFlow design allows for a faster return and less compression force - Travel inserts available in 10mm and 30mm sizes to fine tune travel and rider fit - Cable-actuated under-bar lever compatible with SRAM MatchMaker and Shimano I-Spec II - 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment - Internal cable routing keeps housing tucked away and free from moving wheel - Includes cable, housing, and 1x under-bar remote lever - On-Bar Universal Lever sold separately

Get that fresh cleat feel These solidly-built cleats work with Bontrager road pedals or any Look Cycle’s KÉO-compatible clipless pedals. Whether you're looking for replacements, need a new set for a new pair of kicks, or just like to keep an extra pair in your toolkit. Product details - Replacement cleats for all Look Cycle’s KÉO®-compatible road pedals - Directly compatible with Bontrager Comp Road pedals - Set includes 1 pair

Upgrade or refresh your bike. - Affordable alloy seat mast cap - Direct fit on all Trek road bikes with round seat masts - 2-bolt design offers independent setback and tilt adjustments - Includes 7mm round saddle clamp ears

With more disc brake platforms on the market than ever before, fitting hydraulic hoses can be complex and frustrating. That’s why we developed the Quick-Fit Hydraulic Hose adapter system, a foolproof approach utilizing proven caliper-adapter technology from the motorcycle world. Pro universal hoses makes it safe and easy to dial in a perfect fit. Simply select a Pro hydraulic hose and match it with a compatible Mountain Pro Quick-Fit adapter kit. It’s that easy. Pro Hydraulic Hoses come in a wide array of colors. Pro Quick-Fit adapter kits are available separately in convenient packaging for the most popular brake manufacturers and models. - A Kevlar weave surrounding the liner prevents bulges due to heat buildup and extreme pressure - Each hose has 2 caliper-side universal couplers that connect to the Quick-Fit Adapters (sold separately) - Mountain Pro hydraulic hose kits are available in 12 colors and finishes - Black kits contain gloss black housing with silver logos; Stealth Black kits have matte black housing featuring black logos

If you put in a lot of miles and/or sweat a lot, your shifter hoods probably need freshening up. Grab a pair of Shimano Di2 STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace R9170 Di2 levers

Get that nice derailleur shifting smoothly and operating silently again with a Shimano Rear Derailleur Pulley Set. - OEM pulley set for Dura-Ace R9100 - Sealed bearing guide & tension pulley - Guide pulley with extra long teeth for increased chain control

Key features: - Cable actuated remote lever for the Bontrager Drop Line dropper seatpost - Also compatible with most other cable-actuated dropper seatposts - Under Bar Lever is designed to ergonomically replace the left shifter on 1x drivetrains - Universal Lever is compatible with 1x, 2x, 3x drivetrains and left or right hand placement - Use with: Drop Line Seatpost

Take your chain retention to the quiet, simple, light level with SRAM's X01 X-Sync Chain Ring. It features SRAM's X-Sync narrow/wide tooth profiles to securely hold a chain through the roughest terrain, no chainguide required! A variety of sizes ranging from 30T to 38T let you dial in your rig for your ride. The unique chainring design allows you to slide the ring over the crank arm, so crank removal is not required. Available in 94mm BCD for SRAM's X1 cranks, or 104mm BCD to convert your standard crank to a single-ring system.

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA

Explore the most challenging routes on the newest crop of versatile and fun drop-bar bikes with the SRAM Force 43/30T wide crankset. Shifting is smooth, accurate, and dependable using our proven X-Range gearing based around a tight, 13T difference between the small and big chainrings. The wider stance of the chainrings expands 2x drivetrain bike capabilities by providing clearance for fatter tires. - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Crisp and accurate front shifts - Wide chainline crankset for bikes with up to 700c x 45 or 27.5 x 2.1" tire widths (43/30 chainrings only) - Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brands - Requires Force Wide front derailleur - DUB bottom bracket adds durability and simplicity

BBRight™ Outboard bottom bracket for use with 24mm spindle diameter cranksets. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 146g

Shimano Ultegra R8000 pedals. - Pro-level performance and lightweight for the enthusiast - The legacy of Shimano design, quality and performance - Carbon-composite body - Extra-wide platform for a more efficient transfer of power - Adjustable entry and release tension settings - 4mm longer axle available - Low stack height - 0.7mm lower than PD-6800 - Model Number: PD-R8000 - Series: Ultegra - Pedal System: SPD-SL - Average Weight: 248 grams

The Shimano 105 double crankset balances weight and efficiency without sacrificing stiffness. It offers Rider Tuned performance with numerous gear combinations, and the wider gear pitch increases chain clearance with small gearings and allows for as short as 410mm chain stays. - Hollowtech II construction - 11-speed - 110mm Shimano Asymmetric BCD

Balance is the key to optimum performance in a stage race. Experience the perfect blend of grip and comfort that teams AG2R La Mondiale Pro Cycling Team, Lotto Soudal and Movistar Team use to win in the pro peloton.

Electra's Cruiser Saddle is simple and comfy. Its plush comfort design will support you and melt away bumpy pavement so you can focus on the things that really matter, like riding and having fun.

Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager XXX Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look

Shimano's disc rotors provide a sturdy and reliable braking surface to slow you down. The design is optimized to clear mud and dirt from the system for all-conditions braking. Continuously cooling itself, this rotor helps keep brake power consistent and improves pad life.

Shimano's groundbreaking 6800-series front derailleur delivers a shorter stroke at the lever and substantially lighter action for lightning fast shifts with just a flick of your finger. The redesigned pull arm offers more direct tactile feedback during shifts. The derailleur support bolt creates more solid contact to the frame, stiffening the derailleur and stabilizing it for faster, smoother shifts.

Shimano Alivio hydraulic disc brake sets offer reliable and powerful braking, along with pre-bled hoses for convenient installation. - BL-MT200 hydraulic disc brake lever - BR-MT200 hydraulic disc brake caliper - Rotor sold separately

The forged alloy construction of the Bontrager Pro Blendr Stem delivers stiffness without compromising its light weight or sleek looks. Easy integration of lights, a computer, and more with the Blendr integration system make this stem a perfect upgrade for any bike. - Pro-level quality 31.8mm clamp diameter stem weighs less than many carbon stems - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 corrosion-resistant faceplate bolts with 5.2Nm torque spec - Integrate accessories with included Blendr Pro base and Blendr XXX accessory mounts - Mounts intended for use with Ion and Trip, Garmin, GoPro and SRM accessories - Approved for carbon bars and steerer tubes - Safe installation requires 5mm spacer above and below stem - Included Blendr accessories: Pro Mono Base, Trip Computer mount, and High Ion Light mount

Trek proprietary headset spacers compatible with Trek Knock Block model bikes. - 3 pack of 10mm spacers specific to the Knock Block system - Not to be used on a standard headset system

Original equipment replacement rear derailleur hangers. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team

Shimano Tourney TX is a basic 8-speed rear derailleur for entry-level sport bikes and riders. Enjoy durable, trouble free, and stable performance. - Maximum cog size: 34t - Total capacity: 43t

Shimano's Deore XT Ice-Tech rotors utilize the industry standard 6-bolt mounting system for secure mounting. These rotors use an aluminum core with steel outer plates to better control the temperature of the braking surface. This means quieter braking and, more importantly, less fade on long downhills and improved pad life. The various sizes give you total freedom of choice over the delicate balance of power versus weight.

A 35mm mountain bar that maintains a forgiving ride feel and maximizes strength with minimal weight. Large and in charge Line 35 is ready for any terrain and changes what's possible on the trail. It maintains comfort and control on any ride, and an oversize clamping diameter increases strength and decreases overall bar and stem weight while ensuring a compliant, forgiving ride. Proven sweep and convenient graphic markings help dial in the perfect setup. Product details - Oversized 35mm clamp diameter offers lighter weight and higher strength than 31.8mm diameter - Quad-butted, tapered wall, 7050-T6 aluminum construction - Laser-etched brake lever position lines for spot-on control setup

Rally RS100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding. - Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, this pedal installs like any other pedal. And it's quick to transfer between bikes. - Reliable Readings—By reliably measuring your cadence and forces detected on the left pedal, Rally RS100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system (sold separately). - Cleat Compatibility—For a comfortable ride, this pedal is designed to fit your favorite Shimano SPD-SL cleats. - Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately). - Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life. Specs: - Battery type: LR44/SR44 (x4) or CR1/3N (x2) - Battery life: up to 120 hours - Maximum rider weight: 105kg - Accuracy: +/- 1% - Field calibration - Adjustable release tension - Measurement location: spindle - Communication: ANT+ and BLUETOOTH - Weight: 328g - Water resistance: IPX7 - Cleat type: SPD-SL - Q-factor: 53mm (55mm with provided 2mm washer) - Stack height: 12.2mm In the Box: - Rally RS100 pedals - Cleat hardware - 55mm Q-factor washers - Documentation

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. - Optimal balance of stiffness, strength, weight and rotational performance - Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting - 148mm Q-factor - 44.5mm chainline

Shimano Altus BR-CT91 cantilever brakes offer confident and reliable braking at a convenient price point. - Brake Lever Actuation: Short Pull - Brake Mount Type: Canti Studs - Material: Aluminum - Pad Attachment Style: Threaded Post - Weight: 204g

Elegant style meets incredible weight savings with the XXX Cable and Housing set. It's time to take your road machine to the next level. Linked alloy housing is up to 40% lighter than traditional alternatives, while also being more flexible and incredibly smooth for class-leading performance. Product details - This lightweight, flexible, and elegant kit is perfect for the demanding rider - Compatible with road brake systems - Ultra-low-friction cables are 2300mm and 1700mm long, for front and rear road brakes - XXX housing features Pro lube and is lighter, more flexible, and stiffer than standard - Kit includes XXX brake ferrules, frame protectors, and cable end caps - For installation instructions, visit: trekbikes.com/manuals - Included stainless steel cables are rust-proof and come pre-stretched

Dimension Stem Column Adaptors - Total quill length 180mm - Measurement from minimum insertion to top of steerer adaptor is 118mm - Alloy - Quill insertion diameter: 1-inch

Steel single sprockets with galvanized finish. - Lockring included - Cassette Body Type: Campagnolo 9 Speed - Drivetrain Speeds: 9 - Weight: 212 grams (12-23)

SRAM's X5 10-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.

Shimano's Deore Hydraulic Brakes offer true performance at an entry-level price. Servo Wave lever actuation is a direct trickle down from Shimano's race-winning, pro-level disc brakes, with shorter lever stroke, increased pad clearance, and insane power right at your hands. I-Spec compatible design streamlines your handlebar setup by mounting your brake levers and shifter pods (sold separately) to the same clamp. Installation and adjustment is fast and easy thanks to the brake caliper's post-mount design, and the hydraulic line is pre-bled. Just mount them up and hit the trails!

The SRAM Force 1 rear derailleur adopts all the technologies of SRAM 1x MTB to provide the fastest, quietest 1x shifting available. SRAM’s unique clutch system eliminates chain slack, providing for smoother, quieter, and more secure chain travel. - A dedicated 1x rear derailleur - EXACT ACTUATION for fast and accurate shifts using SRAM’s 1:1 actuation ratio (shifter cable travel: derailleur movement). - 10- and 11-speed compatible - X-SYNC pulley features a 12-tooth design that helps control the chain’s lateral movement - X-HORIZON “straight parallelogram” design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force - ROLLER BEARING CLUTCH’s one-way roller clutch controls chain tension for consistent shifting - Cage Lock technology makes for fast wheel changes or chain installation - Available in Short: 11-26 through 11-28 / Medium: 11-26 through 11-36 / Long 11-32 through 10-42 cage lengths Short Cage: Chain Wrap Capacity (teeth): 18 teeth Largest Cog: 28 Weight: 250 g Medium Cage: Chain Wrap Capacity (teeth): 26 teeth Largest Cog: 36 Weight: 262 g Long Cage: Chain Wrap Capacity (teeth): 32 teeth Largest Cog: 42 Weight: 271 g

Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action. - Small, sleek and lightweight front derailleur - Frontal area is smaller than previous designs to reduce aerodynamic drag - Top gear teeth capacity: 50-54t - 61-66 degree chainstay angle - Includes 1 SD300 port

Shimano's SLX Front Derailleur is made for long-travel, all-mountain bikes with a double ring set up. The compact cage design gives you improved rear tire clearance while the matched radius reduces chain drop. The dual-pull design allows this derailleur to be used with top- or bottom-pull cable routing. It's super stiff for the quick, authoritative shifts that serious mountain bikes demand.

SRAM's Force DoubleTap Control Levers offer a competitive advantage that can't be touched since you're able to shift from the hoods, drops, and even when sprinting. They're crafted with carbon and magnesium to create a system so light that it won't slow you down whether you're racing for prizes, bragging rights or World Championships. Plus, the single-lever-shifting design allows for fast, smooth shifts while being completely independent of the brake levers, eliminating the possibility of braking when you shift. The front shifter uses Zero-Loss technology, when shifting, the cable is engaged instantly for precise gear changes. And both levers incorporate the popular reach adjust feature that allows you dial in exactly where your levers are in relation to your bars.

SRAM's Professional Shift Cable System by Gore Ride-On is a nice upgrade shift-cable kit. It boasts 2 cables coated by Gore to be super smooth and their compression-free 5mm-diameter housing. You get ferrules and cable crimps, plus Gore's Grub Seal and MTB Grub Seal, too.

SRAM's X9 Front Derailleur sports a forged-aluminum cage and a cutout design for exceptional durability with minimal weight. It provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.

Performance and comfort brilliantly come together in Bontrager's Paradigm RL saddle. Superior cushioning on top of a carbon fiber-reinforced shell with hollow titanium rails make this sleek, minimalist saddle stylish and comfortable. To dial in the fit, Bontrager built the Paradigm in 3 different widths with size specific curvature that provides a custom fit for your sit bones. With ergonomic features like multi-density foam and a Contour Relief Zone that relives pressure on sensitive areas, you can focus on going flat out fast.

Enjoy excellent support and comfort aboard Fizik's Arione R3. The Wing Flex shell moves with the rider's pedal stroke, offering unmatched comfort and an exceptional fit. And, as always, it boasts the features and quality you expect from a Fizik: a Microtex cover with efficiency-enhancing thigh glides, light, strong Kium rails, and supportive, comfortable padding for on-the-road comfort.

Put the power down with Origin-8's Alloy Crankarm Set. Made of light and durable forged aluminum and for a single chainring and square-taper bottom bracket (both sold separately), these crankarms are great for your sweet urban rig or mountain bike.

Converts braze-on front derailleurs to clamp-on. Available in multiple clamp diameters.

• High-tensile steel construction • Springer suspension • Threaded • 1-inch diameter (7/8-inch inner diameter) • 20-inch version steerer length: 148mm • 26-inch version steerer length: 180mm

The Cross Single XL Chain Catcher coupled with a K-Edge Ring Guard is the ultimate lightweight set-up for a single ring cyclocross set-up. The adjustable cross XL foot mounts to its own CNC sculpted lightweight clamp and adds additional protection to a single ring set-up by preventing the chain from jumping up or off the ring. - Material: 6061 T6 CNC machined Aluminum - Fitment: All frames with a round mounting area - Clamp Sizes: 31.8mm, 34.9mm - Made in Boise, Idaho, USA - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.

Cane Creek's Aheadset is a simple, affordable solution for your headset needs. • Bearing Type: Cup and Cone • Color: Black • Crown Race: 30 • Defined Color: Black • Lower Stack Height: 5 mm • S.H.I.S Lower: ZS44 • S.H.I.S Upper: ZS44 • S.H.I.S. Stem Clamp Diameter: 28.6 • Upper Stack Height: 10 mm • Weight: 130 g

Rocket II direct cable adjusters fit into Shimano STI shifters with external shift cable routing. - Rubber coated adjusting knobs for firm grip - Adjustable on the fly - 4mm

Jagwire's Mountain Sport Disc Brake Pads (Hayes) feature a low-noise, semi-metallic compound mounted to a steel backing plate for excellent braking performance and durability.

Pro Compressionless brake housing eliminates flex from cable actuated braking systems, increasing power and improving lever feel. - KEB-SL - linear strand, Kevlar reinforced, compressionless brake housing with Slick-Lube liner - Perfect for full-housing, high-performance bikes with mechanical disc or rim brakes - 20 black alloy lined end caps, 10 black POP end caps included

- X101: hi-performance, chamfered, anti-drop, lightweight, Singlespeed chain for Mountain, BMX, Fixie, Track applications - Z410: bushingless design for normal BMX and Singlespeed use - Z410HD: heavy duty model has thicker sides plates for 25% higher tensile strength than Z410 - Z-710: specially shaped, extra-thick outer plates and bulls-eye riveting for frequent grinding - S10: stainless steel construction great for electric bikes, internal gear hubs, and beach cruisers - Width = 1/8-inch