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Cassettes/Freewheels

Shimano 105 10-Speed Cassette
$48.99
Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.
Shimano Ultegra 10-Speed Cassette
$70.99
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.
Shimano Dura-Ace 10-speed Cassette
$219.99
Shimano's Dura-Ace 10-speed Cassette is comprised of an aluminum cog carrier, 4 titanium and 6 steel cogs (from largest to smallest respectively). This makes for a super-light and stiff cassette that makes your derailleur shift like a dream so you can dance up the climbs as easily and efficiently as your chain climbs up and down these cogs.
SRAM PG-850 8-Speed Cassette
$25.00 - $33.00
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.
Origin8 Track Cog
$28.99
A range of sturdy, affordable cogs is an essential part of a fixie rider's quiver. Origin-8's Track Cog is available in a variety of sizes and is chrome plated to resist rust and increase longevity. Now you can easily tailor your ride for the terrain. And you can choose between 1/8 and 3/32-inch chain widths.
Origin8 Single-Speed Conversion Spacer Kit
$25.99
• Converts a cassette hub to a single speed • 8 spacers included in various sizes to adjust chain line • Available in black or red anodized 6061 aluminum • Fits Shimano style cassette bodies • Conical spacers for increased cog stiffness
Shimano Ultegra 9-Speed Cassette
$61.99
Shimano's Ultegra 9-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 Track Cog
$41.00
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.
Sunlite Cassette (8-speed)
$28.99
• Steel • 8-speed
Campagnolo Super Record 11-Speed Cassette
$420.00 - $555.00
For flawless shifting and maximum power transfer, Campagnolo brings you the Super Record 11-Speed Cassette. Its largest 6 cogs are constructed from titanium to save weight, while the other 5 are made of nickel-plated steel for durability. The cogs are mounted on a light and rigid aluminum carrier, and the cassette is secured to the rear wheel with a feathery aluminum lockring.
Campagnolo Centaur 10-Speed Cassette
$145.00
Campagnolo's Centaur Cassette offers precise, fluid shifting thanks to Campy's Ultra-Drive system. 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.
Campagnolo Record 11-Speed Cassette
$340.00 - $480.00
Campagnolo's Record 11-Speed Cassette has been expertly engineered for unparalleled shifting and maximum power transfer. Its largest 3 cogs are constructed from titanium for light weight, while the other 8 are made of nickel-plated steel for durability. Plus, the cogs are mounted on a light and rigid aluminum carrier, and the cassette is secured to the rear hub with a feathery aluminum lockring.
Chris King Stainless Steel Single Speed Cog
$64.00
If you’re going to run just one gear it might as well be the very best you can get—a Chris King cog. Their stainless steel cogs are bead-blasted following heat-treating with sizes ranging from a leg-searing 14t through a sit-and-spin 20t. Compatible with Shimano/SRAM freehub bodies.
Shimano Claris 8-Speed Cassette
$23.39
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.
All-City Standard Track Cog
$22.00 - $24.00
- 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 PG-1170 11-Speed Cassette
$91.00 - $123.99
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.
Wolf Tooth Components Giant Cog
$74.95 - $79.95
- 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
Wolf Tooth Components 40T GC Cog for SRAM
$74.95
The GC line of cassette extender cogs allow you to modify your 10 speed cassette into a wide range cassette. To achieve the optimal shifting, the GCs are optimized for Shimano or SRAM cassette. Compatibility: - Compatible with SRAM 10 speed cassettes - Compatible with all 10 speed rear derailleurs and chains - Note that you may need a longer chain that you currently have on your bike - Chain stretch should be less than .5 when installing a new GC - Can be run in 2x configuration with a long cage rear derailleur - These fit very tight on certain Stan's No Tubes hubs like the 3.30 and the Easton X4 hubs. With a little filing and some grease they will go on.
SRAM XG-1190 11-Speed Cassette
$315.00 - $333.00
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: - 11–25: 11,12,13,14,15,16,17,19,21,23,25 - 11–26: 11,12,13,14,15,16,17,19,21,23,26 - 11–28: 11,12,13,14,15,16,17,19,22,25,28 - 11–30: 11,12,13,14,15,17,19,21,24,27,30 - 11–32: 11,12,13,14,15,17,19,22,25,28,32
SRAM PG-970 DH 9-Speed Cassette
$61.99
SRAM's PG-970 DH 9-Speed Cassette is the perfect replacement for the worn-out gears on your downhill or freeride bike. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts.
SRAM PG-1070 10-Speed Cassette
$86.00
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 PG-1130 11-Speed Cassette
$65.00 - $87.00
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.
Sunlite Single Freewheel
$16.99 - $19.99
• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes
Origin8 Ultim8 Single Speed Cassette Cog
$23.99 - $25.99
Origin-8's Ultim8 Single Speed Cassette Cog lets you have your ride any way you like it. This handy cog is dual use — a single speed cog that fits over a Shimano/SRAM freehub body or a fixed cog that bolts on in place of a 6-bolt brake rotor. A wide, zero-flex base design made of forged chromoly steel provides instant power transfer. Enjoy the Ultim8 ride whichever way you like it.
Origin8 Single Speed Cog
$7.79
A range of sturdy, affordable cogs is an essential part of a single speeder's quiver. Origin-8's Single Speed Cog is available in 13, 14, 16 and 18T sizes is chrome plated to resist rust and increase longevity. It's designed for Shimano/SRAM style cassette bodies and is made with splined, hardened chromoly steel. Now you can easily tailor your gearing for the terrain.
Origin8 Torq Lite Single Speed Cog
$17.99
A range of sturdy, affordable cogs is an essential part of a single speeder's quiver. Origin-8's Torq Lite Single Speed Cog is available in wide range of sizes so you can easily tailor your gearing for the terrain. It's designed for Shimano/SRAM style cassette bodies, features a wide, flex-free base, and is made from hardened chromoly steel.
Sunlite 7-Speed Freewheel
$13.99 - $19.99
- 7-speed SIS compatible Freewheel - Shimano Equivalent: MF-TZ21
All-City Fixed Cog Lockring
$12.00
• Chromoly steel • CNC fabrication • 1.29" x 24tpi left hand thread
All-City Stainless Track Cog
$34.00
• Stainless steel with high-polish finish • 1.37" x 24tpi right-hand thread • Requires a lockring (sold separately) • Compatible with 1/8-inch chains
SRAM PG-1050 10-Speed Cassette
$72.00
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.
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