Surly Track Cog 3/32'' X 18t Silver Weight-52.5g }SRAM CenterLine Disc Brake Rotor

}SRAM CenterLine Disc Brake Rotor - 200mm 6-Bolt Silver

tubeless prepared

where a super-wide handlebar is required

35 Tire Diameter/ISO 20/406 e-Bike approved No Tire Width 2

Surly Track Cog 3/32'' X 18t Silver Weight-52.5g }SRAM CenterLine Disc Brake RotorSurly 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 Tooth Count 18 Size 3 32''