Surly Track Cog 3/32'' X 18t Silver Defined Color-Black Chainring spider is removable

Chainring spider is removable

Mfg Size 42 Defined Color Black Rear Axle QR x 135mm Wheel Size 650b Platform Straggler Frame Material Steel Frame Type Rigid Front Axle QR x 100mm Color Black TT (Effective) 42 TT (Effective) 420 Brake Type Disc Fork Material Steel Fork Type Rigid

Stainless steel rotor with alloy carrier

The chain is the heart of the Eagle drive train completely re-engineered for 1x systems and the innovative X-Sync 2 chainrings

When conditions get extreme the Shorty delivers maximum traction for maximum output

Surly Track Cog 3/32'' X 18t Silver Defined Color-Black Chainring spider is removableSurly Track Cog 3 32'' X 18t Silver. Surly track cogs are threaded the same as a BMX freewheel (1. 375 x 24 tpi right hand threads). This means that they will fit on single speed rear hubs as well as BMX freewheel hubs but this application is not recommended. Track cogs are meant to work on track hubs only. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only TECH SPECS Tooth Count 18