Wolf Tooth Single Speed Aluminum Cog - 22t Compatible 3/32" Chains Purple MFPN=ANVBRB }Cygolite Saddle Rail Taillight Mount

}Cygolite Saddle Rail Taillight Mount for Hotshot and Hypershot

Taillight mounts vertically or horizontally

Center-Lock Disc and rim brake Color Black Rim Width (Internal) 16

}Park Tool HR-15 15mm Hex key

Wolf Tooth Single Speed Aluminum Cog - 22t Compatible 3/32" Chains Purple MFPN=ANVBRB }Cygolite Saddle Rail Taillight MountThese 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 91011 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