These Wolf Tooth aluminum single speed cogsfeature 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
• Item weight: 19g
• Tooth Count: 18
• Cassette Body Type: Shimano HG
• Drivetrain Speeds: Single Speed 3/32″
• Material: Aluminum
• Defined Color: Orange