Surly Track Cog 1/8'' X 19t Silver MFPN=401225123 Bearing Grade Stainless Steel Crown

Bearing Grade Stainless Steel Crown Race Diameter 40mm Primary Color Green SHIS Upper IS42/28

Primary Color Black Bead Folding Tire Compound SmartEVO Tire Technology TechBELT Tire Type Clincher Tire Width 26C Labeled Size 700x26C Tire Diameter/ISO 700C/622 e-Bike approved No

}RockShox Maxle Stealth Front Thru Axle: 15x110 158mm Length Boost Compatible

Color Slate/Stealth Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Cassette Body Type SRAM XD 11/12 Speed Wheel Size 29" Defined Color Black ISO Diameter 622 / road / 29" Tire Type Tubeless Ready Clincher Hub/Brake Compatibility 6-Bolt Disc

Surly Track Cog 1/8'' X 19t Silver MFPN=401225123 Bearing Grade Stainless Steel CrownSurly 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 19 Size 1 8''