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Cassettes/Freewheels

$31.95 - $36.80
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$19.00
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.

$37.00
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.

$63.00
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.

$6.99 - $7.99
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

$299.00
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

$64.99
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

$74.99
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.

$79.99
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.

$27.00 - $36.00
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.

$24.99
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

$24.99
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

$59.99
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

$103.99
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

$47.29
- 9 pawl / 108 point / 3.33° engagement for instant power transfer
- CNC chromoly construction
- Precision bearings
- 8-key installation and removal
- 1.181" x 25.4TPI / 30mm x 1mm BMX-specific thread
- Chrome-plated

$274.95
The Campagnolo EKAR 13-Speed Cassette offers full range to match or exceed any 2x systems.
- The 9-tooth sprocket allows full range with zero drop in efficiency
- Compact cassette has a narrow design with quick changes, lightweight, improved chain security
- Crafted from tough materials and durable design, with no weight penalty
- Closer low gear spacing creates natural cadence progression
- Wider higher gear spacing creates top-end speed options
- The 2-piece block blends strength of steel with light weight of alloy
- Compatible with the Campagnolo N3W driver body for great versatility and full compatibility
- 10-44T cassette is ideal for gravel and adventure riding

$5.00 - $5.39
- 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

$91.99
The SunRace MZ 12-Speed Cassette offers a wide ratio design.
- Shimano compatible 12-speed cassette
- Black chrome finish
- 464% range
- Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed
- Drivetrain Speeds: 12
- Weight: 497 g

$27.95
- 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

$20.52
- Fluid Drive Plus shift profiling, compatible with SRAM and Shimano 8sp drivetrains
- Steel rings, engineering polymer spacers, nickel plated finish
- 12 – 25T
- 281g

$49.95
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

$23.95 - $27.95
- 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

$9.95
- CNC machined threaded steel track cog with chrome-plated finish
- 1.37"x24tpi (right handed) threads
- Size: 3/32"

$53.99 - $58.99
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

$21.90 - $25.90
- 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)

$24.99 - $37.99
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

$75.99
Reliable, perfect shifting awaits with Shimano's Deore XT Dyna – Sys Cassette. It features chrome – plated steel sprockets mounted to two aluminum carriers for an ideal blend of durability and low weight. Closer gear ratios in the middle of the cassette ensure you'll have the perfect gear for the trail's ups and downs. Plus, the cogs are ramped and machined for flawless, lightning – fast shifts.
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