Cassettes/Freewheels

Light, strong with extra tall teeth, the Wolf Tooth Aluminum Single Speed Cog is a lightweight option for single speed cogs that's offered in a variety of sizes. - Wide 4.5mm base won't dig into your freehub - Made of 7075 Aluminum Alloy for durability and lightness - Made in the USA

- Extended range aluminum cog for those wanting 1x10 with a full range of gears - Only fits Shimano XT/XTR 11-36t (M771/M980) or SRAM X5/X7/X9/X0 11-36t 10sp cassettes (not compatible with 2011 and older SRAM derailleurs) - Requires removal of the 17T or 15T cog and spacer from existing cassette - Longer B-screw (sold separately) only needed for about 50% of Shimano derailleurs - May require a longer 10sp chain. Very tight fit on Stans 330 rear hub splines - Designed and manufactured in the USA from 7075-T6 aluminum alloy

Pair this cog with your Shimano-compatible rear hub, spacers and a lockring (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. Machined from heat-treated chromoly and then chrome plated, these seriously tough cogs are strong, shiny and they come in sizes from 13T to 22T so you can pick the perfect gear.

8-speed SIS compatible freewheel

• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Compatible with SRAM 12-speed rear derailleurs (Shimano rear derailleurs are not compatible) - Designed for use with HG freehub bodies, but not compatible with XD or Microspline freehub bodies - Spider, lockring, and spacer constructed from alloy - 7 Sprockets mounted on 2 spider carriers - Black chrome finish

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Shimano compatible 12-speed cassette

- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs - Flat or dished for tuning chainline. Xylan coating for greater durability

- Shimano 105 R7000 Series CS-R7000 11-speed cassette - Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T) Combinations: - 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T - 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T - 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T - 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

- MODEL NO: CS-HG400-9 - SERIES: SHIMANO ALIVIO M4000 Series - Compatible chain: HG 9-speed - Speeds: 9-speed - Type: HG

Shimano Altus M2000 Series 9-speed cassette. Combinations: - 11 – 32T: 11-13-15-17-19-21-24-28-32T (bo) - 11 – 34T: 11-13-15-17-20-23-26-30-34T (bn) - 11 – 36T: 11-13-15-17-20-23-26-30-36T (bw)

- MODEL NO: CS-HG41-7 - SERIES: SHIMANO - Combination: 11-13-15-18-21-24-28T (ac) - Combination name(Group name): 11-28T (ac) - Compatible chain: IG/HG - Speeds: 7-speed - Type: HG

Claris HG50 cassettes ensure a durable and low maintenance system that's easy-to-operate, with accurate and light-action shifting for Shimano 8-speed drivetrains. - Nickel plated finish for corrosion resistance - Steel lock ring - MODEL NO: CS-HG50-8 - SERIES: SHIMANO CLARIS R2000 Series - Compatible chain: CN-HG71 - Speeds: 8-speed - Type: HG

- 10-speed cassette sprocket - Offers a wide range of gearing options. - Lightweight sprocket carrier, it delivers smooth gear steps and precise shifting. - Ride anywhere with smooth and precise HG shifting

Shimano Deore M6000 CS-HG500-10 10-speed cassette. Combinations: - 11 – 25T: 11-12-13-14-15-17-19-21-23-25T - 12 – 28T: 12-13-14-15-17-19-21-23-25-28T - 11 – 32T: 11-12-14-16-18-20-22-25-28-32T - 11 – 34T: 11-13-15-17-19-21-23-26-30-34T

Shimano Deore M6000 Series 10-speed cassette. - Cogs: 11-13-15-17-19-21-24-28-32-36T

• Steel construction on all but the largest aluminum gear • Nickel-plated finish for corrosion and wear resistance • Dyna-sys 11-speed cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance • Fits Dyna-sys 11-speed and current Shimano 9/10-Speed MTB hubs • The largest cog (40t) is positioned inboard and above the drive-side flange • Hubs with tall drive-side flanges may not be compatible due to spoke interference

Shimano XT CS-M770 9-Speed Cassette - Aluminum carrier reduces weight and increases rigidity - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Weight: 323 grams

- Rider Tuned Gearing - Wider Gear Combination: 11 – 28T/12 – 28T/11 – 30T (New Gear Combination) - Closer Gear Combination: 11 – 25T/12 – 25T - Lightweight - CFRP & Alloy Spider Arm, 5 Titanium Sprockets - Gear Combination: 11 – 25T, 11 – 28T, 11 – 30T (New Gear Combination), 12 – 25T, 12 – 28T

The uninterrupted shifting experience of the Shimano Dura-Ace R9200 12-speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. - Faster, seamless shifts under maximum pedaling load - Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation - Compatible with 12-speed and road 11-speed freehub body

Shimano HG-800 11-speed cassette. - High-performance gear combinations provide superior rider choice - With hub body for MTB to fit a variety of bikes from MTB to road - Average Weight: 335 grams

Shimano's 11-speed SLX cassette features the same computer-designed shift profiles that have made Shimano shifting synonymous with speed and accuracy. - Series: SLX - Average Weight: 467g

The Shimano SLX CS-M7100 12-speed cassette is optimized with rider-tuned gear combinations for MTB excellence. - Advanced shifting performance provides the confidence to enjoy any trail - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - HYPERGLIDE+ technology provides better chain engagement, stronger retention, and smoother pedaling with greater power and confidence over rapidly changing terrain - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - The CS-M7100 cassette meets durability requirements for E-MTB applications - Cassette Body Type: Shimano Micro Spline - Drivetrain Speeds: 12 - Range: 10-45 - Designed for ebike: Yes - Color: Silver/Black - Defined Color: Silver

Shimano Tourney CS-HG200-7 7-speed cassette Combinations: - 12 – 28T: 12-14-16-18-21-24-28T (bm) - 12 – 32T: 12-14-16-18-21-26-32T (bp)

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

Shimano's Ultegra 11-Speed Cassette delivers pro-level shifting and durability. The computer-designed tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure. Rider-tuned gearing options offer a range of cassettes to suit your riding style.

The uninterrupted shifting experience of the Shimano Ultegra CS-R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. - Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation - Faster, smoother shifts under maximum pedaling force - Compatible with 12-speed and road 11-speed freehub body

- High-performance gear combinations provide superior rider choice - Hub body to fit a variety of bikes from MTB to road - Model Number: CS-HG800-11 - Series: Shimano - Average Weight: 335 grams

The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide-range and close step gear combinations for MTB excellence. - Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - Cassette Body Type: Shimano Micro Spline - Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51 - Drivetrain Speeds: 12 - Range: 10-51

Shimano XTR CS-M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. - Compatible with Shimano Hyperglide+ chains - Hyperglide+ technology offers better chain engagement, stronger retention, and smoother pedaling for greater power and confidence over rapidly changing terrain - Micro Spline technology delivers lightweight aluminum freehub body to reduce weight and utilize a 10 tooth top gear - The Wide Range XTR M9100 cassette option offers 510% gear range - Can only be used for 1x12 set ups with the long cage rear derailleur - The CS-M9100 cassette meets durability requirements for E-MTB applications

Designed for the next generation of drivetrains and the next generation of riders. The SRAM Force XG-1270 cassette is optimized for electronic shifting and features our X-Range gearing technology. Smooth, precise shifts, from 10T on up. - Features at least five one-tooth jumps for a smoother gear progression - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - MINI CLUSTER construction reduces weight and increases durability - All Zipp wheels starting from 2012 are XDR-ready - SRAM Force XG-1270 cassettes sold prior to 2021 have a black finish. In 2021, the design was updated to a nickel-chrome finish.

SRAM's PG-1030 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette is available in four configurations perfect for riding off road, including one with a 36-tooth largest cog for super-easy climbing.

SRAM's 1050 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.

SRAM's 1070 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.

SRAM's PG-1130 11-Speed Cassette is constructed of heat-treated steel cogs and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports an aluminum spider construction for a maximum stiffness-to-weight ratio, a durable steel lockring, and comes in three wide ranges to suit your riding style.

SRAM's 1170 11-Speed Cassette is constructed of light, durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in three ranges to suit all your riding.

Ride anywhere with the wide-range PG-1230, 11- to 50-tooth Eagle cassette. The NX cassette gives riders every bit of the climbing range that the Eagle ecosystem affords with a simple upgrade to splined-drive body wheels. The PG-1230 is the only Eagle cassette designed to be durable enough to withstand the increased demands of E-MTB applications and a perfect solution to heavy-duty use and abuse. Eagle technology provides an expanded, optimum gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents. Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. SRAM guarantees this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact. - Compatible with a splined driver body - Wide 11-50T gear range—a perfect fit for any ride - Optimized gear steps across entire range - 11-50T: 11, 13, 15, 17, 19, 22, 25, 28, 32, 36, 42, 50

SRAM's PG-730 7-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts throughout its 12-32 tooth range.

When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.

SRAM's PG-970 9-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts.

Full Pin technology uses eleven lightweight, stamped steel cogs held together with 123 high-strength stainless steel pins. The result: a cassette that’s light, durable and equipped with SRAM’s super wide 10-42T gear range that’s a perfect fit for any ride. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life. • Super wide 10-42T gear range is a perfect fit for any ride • Optimized gear steps across entire range • XD driver body creates more stable hub connection

It's the final piece in the drivetrain puzzle, and paired with SRAM RED eTap and RED rear derailleurs, SRAM's XG-1190 cassette delivers ultra-fast, ultra-quiet shifts that will always put you in the right gear. - Compatible with SRAM RED eTap, RED, Force, Rival, Apex - Weight: 151 grams (11 – 25T), 185g (11 – 30T), 196g (11 – 32T) - Material High grade tool steel cog cluster, Heat treatment process, Heat treated aluminum lowest range cog, Elastomer rings - Speeds: 11 Gear Ratios: - 11 – 25T: 11,12,13,14,15,16,17,19,21,23,25 - 11 – 26T: 11,12,13,14,15,16,17,19,21,23,26 - 11 – 28T: 11,12,13,14,15,16,17,19,22,25,28 - 11 – 30T: 11,12,13,14,15,17,19,21,24,27,30 - 11 – 32T: 11,12,13,14,15,17,19,22,25,28,32

Ride anywhere with this wide range XG-1275 cassette—it always provides the right gear. Fast on the flats. Control on the climbs. Dictate your own pace, anywhere. FULL PIN technology uses lightweight, stamped steel cogs held together with high-strength stainless steel pins. The result: a cassette that’s light and strong. The open design similar to SRAM's X-DOME cassette aids in mud clearance, giving you cleaner shifting performance and longer component life. X-GLIDE2 improves both inboard and outboard shifting, as well as chain retention. - Cassette Body Type: SRAM XD Cogs: - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52

The XG-1295 cassette carries with it the X-DOME architecture, which, independent tests have concluded, yields the strongest cassettes on the market. Shifting characteristics improve both inboard and outboard shifting as well as chain retention. - SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight - All-new shifting features create a smoother, quieter system with enhanced inboard and outboard shift performance - XD driver body compatible Cogs - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52

The XG-1299 cassette completes the expression of the world's most accomplished and sought after bikes. Designed for use with our proven, reliable XD driver body, this 12-speed cassette offers a massive gear range. In independent tests, the X-Dome architecture is proven to yield the strongest cassette on the market. New shifting characteristics improve both inboard and outboard shifting as well as chain retention. - SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight - All-new shifting features create a smoother, quieter system with enhanced inboard and outboard shift performance - XD driver body compatible Cogs - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52

Make that daily ride from your front door a little spicier with some dirt. The 440% range of the XPLR XG-1271 cassette provides smooth gear progression when you're sweating up gravel climbs, and tight jumps on the high end for when it's time to drill it on asphalt. Shift features on each cog are optimized for electronic shifting, so you'll get fast, smooth and precise shifts every time. - X-Range gearing gives you more range and a smoother gear progression, so you're always in the right gear - 440% range gives the coverage 1x gravel riders want - For use with XPLR 1x rear derailleurs - Compatible with Flattop chains - Compatible with XDR driver body - All Zipp wheels starting from 2015 are XDR ready - MINI CLUSTER technology with aluminum large cog for lightweight and durability SPECIFICATIONS: - SPEED (CS): 12s - GEARING: 10-44T - COG FINISH (CASSETTE): Nickel Chrome - TECHNOLOGY (CASSETTE): XG - COG SIZES: 10-44T: 10,11,13,15,17,19,21,24,28,32,38,44

High-strength steel cassette for Shimano MTB. Shimano HG hub body compatible. Features: - 9-speed, 11-40t, 11-36t and 11-32t - Nickel-plated steel cogs

The Acolyte 8-speed cassette gives you all the range you need to challenge yourself.  Whether you’re climbing the Cascades or the neighborhood sledding hill, all you have to think about is where to put the bike – Acolyte will take care of the rest.  And yes, it works with a standard HG freehub body and a normal 8-speed chain.

CS-G110 cassettes combine microSHIFT's continuously molded cogs with a CNC machined aluminum spider to deliver rapid, precise shifting at a lower weight. - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - CNC machined aluminum alloy spider carrier saves weight - Sprockets are chrome-plated for hardness and corrosion resistance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 11-speed systems - Aluminum lock ring Combinations: - 11 – 25T: 11-12-13-14-15-16-17-19-21-23-25 - 11 – 28T: 11-12-13-14-15-16-17-19-21-24-28 - 11 – 32T: 11-12-13-14-15-17-19-21-24-28-32

These 9-speed cassettes are nickel plated for durability and constructed using the same processes as microSHIFT's higher-end cassettes, resulting in rapid, responsive shifting at an affordable price. - Nickel-plated - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 9-speed systems - Steel lock ring Gear combinations: - 11-25T: 11-12-13-15-17-19-21-23-25 - 12-25T: 12-13-14-15-17-19-21-23-25 - 11-28T: 11-12-13-15-17-19-21-24-28 - 11-32T: 11-13-15-17-19-21-24-28-32 - 11-34T: 11-13-15-17-19-21-24-28-34 - 11-36T: 11-13-15-18-21-24-28-32-36

MicroSHIFT's H11 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 11-speed systems - Steel lock ring - Chrome plated for hardness and corrosion resistance Gear combinations: - 11-25T: 11-12-13-14-15-16-17-19-21-23-25 - 11-28T: 11-12-13-14-15-16-17-19-21-24-28 - 11-32T: 11-12-13-14-15-17-19-21-24-28-32 - 11-42T: 11-13-15-17-19-21-24-28-32-36-42

MicroSHIFT's H11 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 11-speed systems - Steel lock ring - Sprockets are ED coated for added durability Gear combinations: - 11-46T: 11-13-15-18-21-24-28-32-36-40-46 - 11-42T: 11-13-15-17-19-21-24-28-32-36-42

- Machined 7075-T6 aluminum singlespeed cogs - Wide base prevents the cog from digging into freehub bodies and reduces flex - Splines are machined for perfect alignment and fit on all mountain cassette hubs

Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they'll help breathe new life into older bikes. - A must-have in any bicycle service department - One-piece design - Shimano index compatible - Works with most friction shifters - Suitable for use with e-bike drivetrains

Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains

Thanks to Campagnolo's Ultra-Drive system, the Veloce Cassette offers precise, fluid shifting. The teeth are carefully machined and treated for flawless gear changes and outstanding durability. Plus, the special cog patterns interface perfectly with the rest of Campy's drivetrain components for outstanding shifting.

The Box Four cassette adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger cogs are pinned to each other with spacers for easy installation. - Compatible with HG freehub bodies - Steel stamped cogs - No spiders - Wide ratio and consistent progression - ED black protection

The e*thirteen XCX+ is a lightweight and durable cassette that offers excellent range, and is compatible with both SRAM and Shimano drivetrains. - 10 steel cogs and 1 aluminum cog provide durability - Ultra-stiff cluster keeps power at the wheels - 378% range - Compatible with Shimano and SRAM drivetrains - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-11-13-15-17-19-21-24-27-30-34 - Drivetrain Speeds: 11 - Designed for ebike: Yes - Color: Black - Weight: 271 g

The TRS Plus Cassette offers impressive range and crisp shifting performance on both SRAM and Shimano drivetrains. Using a unique two-piece, individually replaceable assembly and a 9t cog, the TRS+ provides superior ground clearance in a compact package so you can clean steeper climbs. More range, more fun, same standard. - 511% range is great for modern 1x drivetrains - 10 steel cogs, plus 1 aluminum cog increase durability - Saves weight by using smaller chainrings and shorter chains, which also provides better ground clearance - Designed for use with eBike drivetrains - Compatible with Shimano and SRAM drivetrains - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-10-12-14-17-20-24-28-33-39-46 - Drivetrain Speeds: 11 - Color: Black - Weight: 390 g

absoluteBLACK single speed cogs feature a unique tooth shape, narrow-wide profile, and perfect roundness. Crafted with CNC machined 7075 aluminum with an anodized finish for long-lasting construction. - Tooth design is wider and more "square-like" compared to other single speed cogs - The narrow-wide profile provides additional strength and offers greater chain retention - Compatible with 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains - To utilize the narrow-wide feature, use a 9, 10, 11, or 12-speed chain - Not compatible with half-link chains - Compatible with Shimano HG cassette bodies