Surly Single Cassette Cog 3/32" Splined 21t CheckoutTitle=Maxima Bike Suspension Clean }SRAM X-Sync Chainring 40T 110mm

}SRAM X-Sync Chainring 40T 110mm Asymmetric BCD Black

Bionic Finish Eco® provides additional durability and resistance to weather

Type Standard Size 700x23 ISO 622 Bead Wire Belted Tread/Sidewall Color Bk/Ysk PSI 120 Weight (Grams) 290 TPI 60 Durometer Features Reflective Sidewall No

The cold-fused integrated seal design also features a large oil cavity between the two sealing lips to prevent contamination and further ease fork's movement

Surly Single Cassette Cog 3/32" Splined 21t CheckoutTitle=Maxima Bike Suspension Clean }SRAM X-Sync Chainring 40T 110mmSurly 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 21 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel