Cassettes/Freewheels

The e*Thirteen TRS Plus 12-Speed Upgrade Kit lets you upgrade your existing 11-speed SRAM drivetrain to a 12-speed drivetrain without needing new cranks, chainrings, shifters, or derailleurs. All parts and required tools are included including new internals for the SRAM shifter. - Kit is also compatible with Shimano XTR, XT, and SLX 12-speed drivetrains when used with Shimano 12-speed derailleurs and shifters - Smaller 9-46T cassette gives a better chainline, for longer-lasting drivetrains - The assembly utilizes XD Driver mounting to enable a 9-46T 12-speed cassette, keeping the drivetrain simple, yet providing the gear range of a 2X system - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-10-12-14-16-18-21-24-28-33-39-46 - Drivetrain Speeds: 12 - Color: Black - Weight: 336 g

Simplify your drivetrain with SRAM's XG-1195 11-Speed X-Glide Cassette. It has a monstrous 10-42 tooth spread that gives SRAM's 1x11 drivetrain pretty much the same gearing as 2- and 3-ring setups, with less weight, parts, and complexity. Yes, you can still spin up your hardest climbs. A key thing to note, is that even with the huge range, there are no huge jumps or dips in the gearing, so your cadence and pedaling stay consistent as you move up and down the entire cassette. The wide-open design makes it incredibly lightweight and aids in mud clearance, giving you cleaner shifting and longer component life. The XG-1195 is for use with SRAM's X01 or XX1 drivetrain.

Campagnolo's Chorus Cassette offers precise, fluid shifting for your 11-speed drivetrain. The teeth have been exquisitely engineered and machined from steel, then coated with a nickel-chrome surface treatment and mounted on an aluminum carrier for flawless shifts and excellent durability.

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.

- 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"

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

- 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

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

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

- CNC machined CrMo cog with 7mm thick Hyperglide-spline, 1/8-inch chain compatible - Extra wide spline interface prevents cog from deforming freehub body splines - Size: 1/8-inch

- 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

Once again, SRAM pushes the envelope with their Powerdome X XG-1090 10-Speed Cassette. Light, stiff, quick, and quiet thanks to the ultra-strong, hollow, one-piece design and StealthRing elastomers, this cassette is worthy of even the nicest road machines. SRAM has added elastomer rings between every cog to provide a 'bed' where the plates of the chain interface with the cog. These elastomer StealthRings make for whisper-quiet operation. It's light, too, with the small 11T cog separate, and the remaining 9 cogs milled from a solid block of tool-grade steel pressed onto a single aluminium cog (the largest one). And, to REDuce even more weight, excess material in the space between each cog is milled away.

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

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.

Shimano's Tiagra cassette offers crisp shifting and lightweight performance. Hyperglide sprockets incorporate computer-designed shift ramps and tooth profiles for improved shifting. This cassette comes in a range of sizes to suit your riding style and terrain.

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.

Shimano Cassette Lockrings

- Special single gear design with chain tensioner - Revised tooth profile to prevent chain skip - MODEL NO: CS-S500 - SERIES: SHIMANO ALFINE S7000/S700 Series - Gear thickness (mm): 2.0 - Recommended chain: Super Narrow HG for 9-speed

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

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.

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

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

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

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.

- 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

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.

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.

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.

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

Built for the demands of BMX racing, the MX66 single speed cassette cogs are compatible with SHIMANO MX70, MX66 BMX hubs as well as other SHIMANO-compatible hubs. - Single sprocket: 14/15/16/18T - Chain size: 1/2-inch x 3/32-inch - Speeds: Single - Single sprocket for FH-MX70