Surly Single Cassette Cog 3/32" Splined 16t ModelNumber=K1274 Features a ball stop groove

Features a ball stop groove to safely lock the socket

Please note: The V4 caliper is not compatible with all direct mount 180mm forks due to the large piston design and variation in mount positions

We recommend filing a small chamfer on the spider arm but you can also just install it and let the chain do the work

rough roads and fast gravel

Surly Single Cassette Cog 3/32" Splined 16t ModelNumber=K1274 Features a ball stop grooveSurly Single Speed Cogs. Designed as a singlespeed cog but may also be stacked and used with 9 speed shifter. Multi gear use will result in slower less crisp shifting than cogs designed for multi gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel Photo for color and material reference only Tooth Count 16 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel