Boyd Cycling, Pinnacle, Wheel, Rear, 700C / 622, Holes: 28, 12mm TA, 142mm, Disc Center Lock, SRAM XD-RInnovative hookless rim designed specifically for the rigors of Gravel and Cyclocross use. Super wide tubeless ready rim offers ideal tire fit for larger 32c 40c volume Gravel tires. Offset rim design builds a stronger, more balanced and lower maintenance all conditions ready wheel. Designed to be run at max PSI of 65 with tubeless tires. Brand: Boyd Cycling Model: Pinnacle Length: 26 Width: 7. 5 Height: 26 Weight lb: 4. 4 Part Number: 2018Pin28HR XDR