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Cassettes/Freewheels

Euro-Asia Imports Gold Medal Track Cog 1/8th
$150.00 - $180.00
The fabled Gold Medal Pro track cog--12T to 18T. In 1/8 only. 12T comes with the required stepped lockring. For professional track racers. Perfect threads, roundness, concentricity, and tooth profiles. Titanium Nitride coating increases lubricity and durability. Ridden by the most dominant track team in the world. With wins in the recent World Championships plus the Beijing and London Olympics, this cog is appropriately named.
White Industries Dos ENO Freewheel
$180.00
The ENO freewheel features a machined inner driver and machined outer gear case resulting in a freewheel that runs concentrically without the tight and loose spots common to other freewheels. A 36 point engagement system and a case hardened, nickel electro-plated outer gear case make this freewheel a perfect addition to your single speed. For trials riders or those wanting a beefier version we offer the trials freewheel with 72 points of engagement and a thicker outer gear case to withstand the rigors of a more demanding style of riding.
White Industries ENO Freewheel
$140.00 - $170.00
The ENO freewheel features a machined inner driver and machined outer gear case resulting in a freewheel that runs concentrically without the tight and loose spots common to other freewheels. A 36 point engagement system and a case hardened, nickel electro-plated outer gear case make this freewheel a perfect addition to your single speed. For trials riders or those wanting a beefier version we offer the trials freewheel with 72 points of engagement and a thicker outer gear case to withstand the rigors of a more demanding style of riding.
Shimano Ultegra R8000 Cassette
$130.00
- 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
Euro-Asia Imports SuperStar Track Cog 1/8th
$105.00
EAI SUPERSTAR Premium Track Cog Steel 1/8" includes pouch
Phil Wood Track Cog
$80.00 - $100.00
Often described as the pinnacle of track cogs. These Phil Wood cogs are hard wearing, light and machined to a n extremely high standard. Available in a huge array of sizes.
Shimano Deore XT Dyna-Sys Cassette (10-Speed)
$92.00
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.
Shimano Deore XT M770 9-Speed Cassette
$92.00
Shimano XT CS-M770 9-Speed Cassette - Aluminum carrier reduces weight and increases rigidity - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 9 - Weight: 323 grams
Shimano SLX Dyna-Sys 10-Speed Cassette
$75.00 - $80.00
Shimano's SLX Dyna-Sys 10-Speed Cassette features chrome-plated steel sprockets mounted to an aluminum carrier 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 shifts with the 10-speed chain and Shadow rear derailleur (both sold separately).
Shimano 105 11-Speed Cassette
$75.00
Shimano's 105 11-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 105 10-Speed Cassette
$70.00
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 HG-50 Cassette
$44.00 - $56.00
Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Close ratio gearing allows a more efficient use of energy through finer cadence control.
Shimano Sora 9-speed Cassette
$48.00 - $53.00
Shimano's Sora cassette is an incredible value for your 9-speed drivetrain. Crisp shifting and a low weight keep your mind focused on having fun on your bike and not adjusting it. This cassette comes in a range of sizes to suit your riding style and terrain.
Phil Wood Track Lockring
$45.00
Phil Wood lockring for all fixed gear cogs.
Shimano MX30 Single-Speed Freewheel
$45.00
Single speed freewheel for use with 1/8" or 3/32" chains. 1.37" x 24 tpi threading.
Sun Race Freewheels
$22.00 - $45.00
A product of SunRace Sturmey-Archer. These freewheels make a perfect replacement for any older bicycle. Not sure if they're right for you? Why not give our parts department a call to confirm.
Surly Hurdy Gurdy Tensioner
$40.00 $45.00 11% Savings
Hurdy Gurdy is another nifty device that keeps a rear wheel from slipping forward in the dropout under pedal load. It’s designed for our Cross-Check’s semi-horizontal front-loading dropouts, and will also work on many other similar dropouts. Hurdy Gurdy is investment cast of stainless steel for durability and good looks, and shares many of Tuggnut’s design features. Its two axle holes allow for a wide variety of fore/aft wheel positions, it will work with standard QRs, bolted axles, and nutted axles up to 10mm.
Surly Track Cog
$20.00 - $40.00 $40.00 Up To 50% Savings
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.
Shimano HG41 8-Speed Cassette
$32.00 - $37.00
Shimano Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Gearing gives a low sprocket making it easier to climb even the steepest of hills. Sprockets are cut away to reduce weight without reducing rigidity.
Shimano HG51 8-Speed Cassette
$35.00 - $37.00
The Shimano hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Close ratio gearing allows a more efficient use of energy through finer cadence control.
Surly Single Speed Cassette Cog
$36.00 $40.00 10% Savings
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.
DMR Single Speed Kit
$33.00
The DMR single speed kit makes it simple to ditch your gears and run a single speed set up without buying a new wheel.
Shimano HG31 8-Speed Cassette
$28.00 - $30.00
Shimano Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Gearing gives a low sprocket making it easier to climb even the steepest of hills. Sprockets are cut away to reduce weight without reducing rigidity.
Shimano HB-7600 Track Lockring
$26.00
Shimano Dura-Ace lockring for all fixed gear systems.
Surly Fixed Cog Lockring
$21.00 $24.00 13% Savings
At a full 5mm thick, the Surly Fixed Cog Lockring doesn't mess around with cog security. It's CNC-machined from premium stainless steel for serious strength and durability. This sucker will hold tight through hard sprints and crazy skids. It's a small part, but an important one and Surly makes it right.
Miche Track Cog
$20.00
Miche Track cogs are splined to match a carrier that threads onto the hub. This system eliminates damage to the hub threads by the threading and unthreading normally required with track use.
Shimano HG20 7-Speed Cassette
$20.00
Shimano Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Gearing gives a low sprocket making it easier to climb even the steepest of hills. Sprockets are cut away to reduce weight without reducing rigidity.
Wheels Manufacturing Inc. 7sp Cassette/8sp Body Spacer
$18.00
- Allows the use of a 7 speed shimano cassette on an 8 or 9 speed shimano cassette body
Dimension Singlespeed Driver And Single Cog
$6.00 - $15.00
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
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