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

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-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.

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.

SRAM's PowerGlide PG-820 Cassette is a fine 8-speed cassette. It features steel cogs with SRAM's DuraBlast technology for smooth, precision shifting and excellent durability.

Sometimes less is more. With the 10-speeds, an 11-48T range, and evenly spaced gear steps, the ADVENT X cassette allows riders to shift less often to find the right gear, while still having enough range to ride what they want. Fewer cogs also means less weight and a wider chain for better mud shedding. It even fits on standard 10-speed freehub bodies so you don't need to buy new wheels for no reason. In short, it's everything you want in a high-end drivetrain. - Two alloy large cogs and a full alloy spider eliminate unwanted weight - Ramped cogs aid in shifting under load - Continuously molded construction maintains straightness and durability - Compatible with standard HG freehub bodies and 10-speed chains - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Cassette Cogs: 11-13-15-18-21-24-28-34-40-48

The first kit to convert SRAM XD driver-equipped wheels for singlespeed use! Problem Solver's has a disproportionately large percentage of singlespeed enthusiasts in their ranks, so it’s only natural that when SRAM introduced a new freehub body in order to accommodate a larger number of gears, they started thinking about how to convert it to one gear. The Zinger provides chainline adjustability and a broad range of cog sizes for whatever type of bike you’re lookin’ to simplify.

The BOX Two Prime 9 Cassette delivers long service life and extra range. All cogs are stamped from steel and the larger ones are pinned to alloy spiders. - Cogs pinned to lightweight spiders - Ultra-wide ratio with consistent progression - Prime 9 technology - Compatible with HG freehub bodies - 12 – 50T: Rated for eBike use

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.

Gates Carbon Drive CDX Rear Sprockets for Sturmey-Archer 3-Lobe are crafted from stainless steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - Stainless steel construction - 11mm pitch - Sturmey-Archer 31.85mm 3-Lobe fitment

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

- 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

- CNC machined steel track cog, 1.37"x24tpi (right handed) thread, 1/2" x 1/8" teeth - Choose aluminum or steel lockrings, 1.29" x 24tpi left hand thread

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

- Chromoly steel with black oxide finish - 1.37" x 24tpi right hand thread - Requires a cog lockring (sold separately) - Compatible with 1/8-inch chains

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.

- 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

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.

While the greatest focus is generally given to the moving parts of the groupset, the drivetrain is not complete without the cassette. And a Campagnolo groupset is not complete without an extremely efficient, reliable, and high-performance cassette. This is why the Centaur groupset offers high-quality solutions to meet the needs of even the most demanding cyclist. - Built with one steel triplet and 8 steel single sprockets. - Includes lockring - Weight: 291g

- 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

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.

- CNC CrMo cogs to Fit the DJD-Bush drive rear hub drivers - Size: 1/8-inch

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

RS1 Cassettes are a great replacement for 10-speed road sytems. - Steel Spider - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Cassette Cogs: 11-12-13-14-15-17-19-21-24-28 - Drivetrain Speeds: 10 - Weight: 267 g

- 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

- For IG/HG chains - Zinc phosphate finish - Enlarged sprocket window design for ligtherweight

- Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 8

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 XX SL Eagle T-Type 12-Speed 10-52t cassette is a major reason why Eagle Transmission offers one of the best-ever inboard and outboard shifting performance under load. Thanks to its full X-SYNC design, the harder you pedal, the better it shifts. This is the lightest Eagle cassette SRAM has made, as well as, their our most precise and long lasting. Its new-gen features a fully machined, hardened steel X-Dome architecture for gears 1-9 and an ultra-lightweight, all-aluminum Spider Cog for gears 10-12. Engineered as integrated and interdependent transmission components, the XX Eagle Transmission Cassette and derailleur contact directly, ensuring perfect alignment on every bike. - From its massive 520% gear range, the 52 tooth cog steps down with improved gear progression with 44 and 38 tooth cogs in the low end (compared to the Eagle drivetrain 10-52-tooth cassette) - New-gen design is SRAM's lightest 10-52t cassette due to the ultra-lightweight, all-aluminum Spider Cog - 55mm chainline compatibility for more moderate chain angle, longer wear and greater precision - Utilizes well accepted and broadly available XD driverbody - Featuring a clearly marked Setup Cog for simple and fool-proof installation - Not suitable for E-MTB

Shimano's Claris cassette is an incredible value for your 8-speed drivetrain. This cassette comes in a range of sizes to suit your riding style and terrain.

The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs. - The Box Three Prime 9 offers ultra-wide ratio with consistent progressions - Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through - Fewer parts, reduced weight, and increased durability - Cogs pinned to lightweight spiders - Constructed using a standard freehub body (HG) - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 9 - Designed for ebike: Yes - Color: ED Black

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

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

No mixed messaging or compromises here. The GX DH cassette was built with only one purpose in mind—exploiting gravity to its fullest lap after lap. This downhill-optimized 7-speed cassette provides gear steps that give each shift more purpose, and its compact design allows more spoke clearance. It’s a full-on, dedicated SRAM 1x cassette for gravity that lets you keep some money for a lift ticket. GX DH—Get Some. - The PG-720 cassette is an integral part of the SRAM 1x DH drivetrain system - This is the most affordable full-featured, dedicated 1x DH cassette in the industry - Fewer cogs allow for a faster transition from starting cog to highest cog - More rear wheel clearance around spokes - Fully compatible with the SRAM X01 DH drivetrain - Splined driver body compatible - Weight: 224 grams - Gear-Ratio:11 – 25T - Speeds: 7 - Recommended Group: GX DH

- Premium CrMo freewheel with 6-pawl, 72-point pickup for instant engagement - 3/32-inch teeth accept 3/32 or 1/8-inch chains. - Thread: 1.37-inch x 24tpi standard R/H threaded

The workhorse of X-Range gearing, the SRAM RED XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings. - Updated design for smoother and faster shifting - More gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - One-piece machined steel X-Dome design for weight savings - All Zipp wheels starting from 2012 are XDR ready - Version: D1 - 10-26T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26 - 10-28T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 28 - 10-33T: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 33

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

Make that daily ride from your front door a little spicier with some dirt. The 440% range of the XPLR XG-1251 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 - MINI CLUSTER technology for lightweight and durability SPECIFICATIONS: - SPEED (CS): 12s - GEARING: 10-44t - COG FINISH (CASSETTE): Nickle Chrome - TECHNOLOGY (CASSETTE): XG - COG SIZES: 10-44T: 10,11,13,15,17,19,21,24,28,32,38,44

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

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.

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

The SunRace MX 11-Speed Cassette is a wide-ratio cassette designed for XD driver bodies. - Largest sprocket crafted from A7075 aluminum - Black chrome finish - 460% range - Cassette Body Type: SRAM XD 11/12 Speed - Drivetrain Speeds: 11 - Weight: 502 g

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

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 8-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 8-speed systems - Steel lock ring Gear combinations: - 12-25T: 12-13-15-17-19-21-23-25 - 11-28T: 11-13-15-17-19-21-24-28 - 11-32T: 11-13-15-18-21-24-28-32 - 12-32T: 12-13-15-18-21-24-28-32 - 11-34T: 11-13-15-18-21-24-28-34

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

When it comes to adventurous riding, a wider gear range is often better. With 9 speed and a 11-42T range, the ADVENT cassette has the low gears you need to get up and the high gears to get back down. The steps between gears are optimized to give an even spread in gear ratios, reducing the need for double-shifting to find the right gear. - Machined aluminum large cog for reduced weight - Carbon steel cogs are continuously forged for strength and shifting accuracy - Compatible with standard freehub bodies - Surface Finish: ED Black / Anodized Black - Combination: 11-13-15-18-21-24-28-34-42

The Hex Lab 3/32" Titanium Cogs are CNC-machined from bulletproof titanium. They are designed to fit Shimano compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body. Key differences: The Hex Lab 3/32" CNC Titanium Cogs are engineered and crafted for durability without compromising weight. They offer the strength and wear resistance of steel and are lighter than aluminum. As a result, they yield better shock absorption than the Box One Aluminum or Box One Chromoly Cogs. They are available in an oil slick or natural finish. FEATURES - Shimano Compatible Driver - Ti-6Al4V Heat-Treated to HRC35 - 3/32" or 1/8" Chain Compatible - Lightweight + Durable SPECIFICATIONS - 13 tooth: 13 grams (.45 oz) - 14 tooth: 16 grams (.55 oz) - 15 tooth: 19 grams (.67 oz) - 16 tooth: 22 grams (.77 oz) - 17 tooth: 24 g (.85 oz) - 18 tooth: 28 g (1.00 oz)

You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.

- CNC-machined from hardened chromoly with phosphate black finish - Threaded track cog for 1.37"x24tpi (right handed) threads - Choose 3/32" or 1/8" widths (Use SF-1750 for lockring)

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

- CNC machined threaded steel track cog with chrome-plated finish - 1.37"x24tpi (right handed) threads - Size: 3/32"

- CNC machined CrMo 5/64" cog with 7mm thick Hyperglide-spline, 9sp chain compatible - Extra wide spline interface prevents cog from deforming freehub body splines - Size: 5/64"

MicroSHIFT's H10 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - Sprockets are chrome-plated for hardness and corrosion resistance - 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 10-speed systems - Steel lock ring Gear combinations: - 11-25T: 11-12-13-14-15-17-19-21-23-25 - 11-28T: 11-12-13-14-15-17-19-21-24-28 - 11-32T: 11-12-13-15-17-19-21-24-28-32 - 11-34T: 11-12-13-15-17-19-21-24-28-34 - 11-36T: 11-13-15-17-19-21-24-28-32-36

Machined from heat-treated, chrome-plated chromoly, these seriously tough cogs will hold up to massive track sprints and crazy skid-stops. Surly's Track Cogs are strong, shiny and they come in two widths and sizes from 13T to 22T so you can select the perfect gear.

- Single deep tooth CrMo 3/32" cog for use with HG splined cassette hubs

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.

When it's time to replace your old 8-speed cassette, check out SRAM's PG-850. Its steel construction and SRAM's PowerGlide technology combine to deliver miles of solid shifting and outstanding durability.

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

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