Surly Track Cog 1/8'' X 18t Silver CheckoutTitle=Odyssey Pro Conical Headset - Integrated EBIKE50 - has achieved a

EBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approved

All mountain bike handlebars

18T Ratchet LN System Rear Axle 12mm Thru x 142mm Cassette Body Type Shimano HG 11/12-Speed Road Valve Presta Wheel Size 700c Defined Color Black ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Clincher Hub/Brake Compatibility Center-Lock Disc

Max Bladder Volume 2L Primary Color Grey Bladder included Included (2L) Color Stone/Dark Olive Waterproof Water-resistant Bag Dimensions in cm 24x43x8 Volume Range 6-10L Volume 8L Bag Dimensions in inches 9

Engineered with Prime 9 drivetrain technology

Surly Track Cog 1/8'' X 18t Silver CheckoutTitle=Odyssey Pro Conical Headset - Integrated EBIKE50 - has achieved aSurly 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 1 8''