Surly Ring 46t x 130mm Stainless Steel Model-Dropout 635 Ultimate XC Racing tire with

Ultimate XC Racing tire with lots of speed and grip that is well suited for a variety of riding conditions

Reduced rider fatigue

9/10/11/13/16t mini sprockets available separately

44 and 52t cogs crafted with 7075-T6 aluminum for high strength and low weight

Trapezoid-cut for optimum widestance tire shaping trailduty impact resistance STR tubeless tire retention and more weight savings

Surly Ring 46t x 130mm Stainless Steel Model-Dropout 635 Ultimate XC Racing tire withSurly Stainless 5 bolt ChainringsNo ramps or shift gates Surly rings paired with 9 speed chains will have a tight fit. No compatibility with 10 or more speed drivetrains Made from 304 Stainless Steel Ring Position Type Single Tooth Count 46 Drivetrain Speeds Single Speed 3 32" Chainring BCD 130 Color Silver Defined Color Silver Teeth 46T Width 130Mm