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![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/WT-18T-Blue-01_3ddf9e1b-1474-4f0c-b4bc-dfcb1736276f_400x@2x.jpg?v=1718475620)
![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/WT-18T-Purple-01_506e3d3b-4d22-4d55-9861-11af6830119b_400x@2x.jpg?v=1718475620)
![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/WT_AL-SS-ORG-COG17_400x@2x.jpg?v=1718475620)
![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/Singlespeed-Aluminum-19T-Black-01_a8d0a402-e298-4bfe-bbce-dca956a4609f_400x@2x.jpg?v=1718475620)
![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/WT-18T-Green-01_4c901070-6439-4236-805e-14b577ea26c7_400x@2x.jpg?v=1718475620)
![Load image into Gallery viewer, Wolf Tooth Single Speed Aluminum Cog: 20T, Compatible with 3/32" Chains, Green](http://365cycles.com/cdn/shop/files/WT_AL-SS-GLD-COG17_400x@2x.jpg?v=1718475620)
These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners.
- Crafted with strong and lightweight premium 7075-T6 aluminum
- Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains
- Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body
- Fits Shimano Hyperglide style freehub splines
- Not compatible with Shimano Microspline or SRAM XD freehubs
- Not compatible with Campagnolo 13-speed chains
Description
These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners.
- Crafted with strong and lightweight premium 7075-T6 aluminum
- Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains
- Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body
- Fits Shimano Hyperglide style freehub splines
- Not compatible with Shimano Microspline or SRAM XD freehubs
- Not compatible with Campagnolo 13-speed chains