- Shop
- Parts
- Cassettes and Freewheels
- Drivers and Single Cogs
Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Sort
Showing 201 products:
Endless Bike Kick Ass Cog, 21t - Red Ano 
BuyPART NUM 782454
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
In Store
Endless Bike 21TR
Ships Freeyour price $50.00 + ships free
BuyPART NUM 782454 
The Shadow Conspiracy 9t Symbol Cassette Driver, LHD, Black BuyPART NUM 996858
Replacement 9 tooth drivers for The Shadow Conspiracy Symbol hubs Available in left hand and right hand drive Use: LHD … read more
your price $69.99 + ships free
BuyPART NUM 996858 
Endless Bike Kick Ass Cog, 16t - Silver Ano BuyPART NUM 914140
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $42.99
BuyPART NUM 914140 
Sturmey Archer 3-speed Dished Cog - 3-spline - 1/8" - 24t Chrome
3 of 5
( 1 )
3 of 5 stars
( 1 review )
BuyPART NUM 401062
3-spline steel cogs for use with Sturmey 3-speed (and 5sp) internal gear rear hubs Flat or dished for tuning chainline. Xylan coating for … read more
3 of 5
( 1 )
3 of 5 stars
( 1 review )
popularyour price $9.99
BuyPART NUM 401062 
Sun Bicycles Trike Fixed Sprocket 24T
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 170921
For use with current 15mm axles on all trikes … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $29.99 + ships free
BuyPART NUM 170921 
Sturmey Archer 3-speed Dished Cog - 3-spline - 1/8" - 20t Chrome BuyPART NUM 416671
3-spline steel cogs for use with Sturmey 3-speed (and 5sp) internal gear rear hubs Flat or dished for tuning chainline. Xylan coating for … read more
your price $5.99
BuyPART NUM 416671 
Sturmey Archer 5-Speed Flat Cog, 3-Spline, 1/8" - 24t Chrome BuyPART NUM 296621
3-spline steel cogs for use with Sturmey 5-speed internal gear rear hubs Item Specifications size: flat 1/8" teeth: 24t finish: chrome … read more
your price $9.99
BuyPART NUM 296621 
Shimano CS-R9200 12-Speed Cassette Cog - 11t, Built In Spacer Type
BuyPART NUM 578703
Shimano replacement cogs for CS-R9200 12-speed cassettes. Defined Color: Silver Drivetrain Speeds: 12 Tooth Count: 11 … read more
your price $9.72
BuyPART NUM 578703 
Surly Single Cassette Cog 15t
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
BuyPART NUM 677395
Surly Single Speed Cogs. Photo for color and material reference only Fit Shimano freehub splines SCM 415 hardened CroMoly steel … read more
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
Lowest Price10% offretail $35.00 Ends 10/8! $31.50 + ships free
BuyPART NUM 677395 
Sturmey Archer 1/8" 22t Coaster Brake Cog BuyPART NUM 633163
Sturmey-Archer Internally Geared Hub Cogs Item Specifications Fits: Sturmey Archer Includes: 22t x 1/8" Cog … read more
your price $4.99
BuyPART NUM 633163 
Sturmey Archer 3-speed Dished Cog - 3-spline - 1/8" - 18t Chrome BuyPART NUM 889906
3-spline steel cogs for use with Sturmey 3-speed (and 5sp) internal gear rear hubs Flat or dished for tuning chainline. Xylan coating for … read more
your price $6.99
BuyPART NUM 889906 
Surly Single Cassette Cog 14t
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
BuyPART NUM 810579
Surly Single Speed Cogs. Photo for color and material reference only Fit Shimano freehub splines SCM 415 hardened CroMoly steel … read more
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
10% offretail $35.00 Ends 10/8! $31.50 + ships free
BuyPART NUM 810579 
Wolf Tooth Components Single Speed Aluminum Cog: 16T, Compatible with 3/32" Chains
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 978621
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 … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $49.95 + ships free
BuyPART NUM 978621 
Shimano Nexus 23t Cog Silver BuyPART NUM 853870
Shimano Nexus & Alfine Cogs Shimano Nexus and Alfine cogs will work with either 1/8" or 3/32" chains Fits coaster brake and Internally geared hubs … read more
your price $6.99
BuyPART NUM 853870 
Surly Single Cassette Cog 13t
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
BuyPART NUM 500456
Surly Single Speed Cogs. Photo for color and material reference only Fit Shimano freehub splines SCM 415 hardened CroMoly steel … read more
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
10% offretail $35.00 Ends 10/8! $31.50 + ships free
BuyPART NUM 500456 
Reverse Single Speed Cog 17T BuyPART NUM 608353
CrMo cog with 7mm thick Hyperglide-spline, 1.8mm tooth thickness Extra wide flange prevents cog from deforming freehub body splines … read more
Two remaining at this priceretail $11.99 your price $11.39
BuyPART NUM 608353 
Problem Solvers Singlespeed Cog 16t fits PS Carrier or 6-bolt hubs BuyPART NUM 195954
Problem Solvers Single Cogs Fits the Problem Solvers SS Cog Carrier Also 6-bolt rotor mount compatible for fixed gear use (see instructions for applicable … read more
17% offretail $17.99 your price $14.99
BuyPART NUM 195954 
Shimano XT M8000 11-Speed 13t Cog BuyPART NUM 198299
Shimano XTR Cassette Cog … read more
your price $6.00
BuyPART NUM 198299 
Sturmey Archer 5-Speed Dished Cog, 3-Spline, 1/8" - 20t Chrome BuyPART NUM 561732
3-spline steel cogs for use with Sturmey 5-speed internal gear rear hubs Item Specifications size: dished 1/8" teeth: 20t finish: chrome … read more
your price $7.99
BuyPART NUM 561732 
Endless Bike Kick Ass Cog, 25t - Black Ano BuyPART NUM 789567
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $50.00 + ships free
BuyPART NUM 789567 
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
Surly is a leading manufacturer of bicycle frames, and was one of the first Fat Bike manufacturers.
Dimension makes quality components to repair or custom-fit the vast majority of bikes being ridden today, and provide the accessories that make them fun to ride.
"Simplicity is the hardest design principle to follow; It's at the heart of our approach to eclat."
"W-T-P have always taken a lot of pride in ourselves and in building bikes that are capable of taking everything a rider throws at them. We are constantly at the forefront of developing and manufacturing materials that will with stand hard and furious riding and our designs are made to combat common breaks and bends."
Ridden by everyone around the world, from BMX PRO's to newcomers, the Saltplus collection brings the latest technology and modern designs down to an affordable price point without sacrificing quality.
We define color as the main color of the item. It may have accents or highlights in other colors.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These models are available for online purchasing and can be shipped directly to you.
Chainring Teeth
This should correspond to the number of cogs on the cassette.
This is the part number or identifier for this item from the manufacturer
These products are one of our best sellers.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
Limited quantities remaining.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.