The new GRADIENT WideR wheelsets use robust carbon rim for improved durability. Hookless bead Tubeless compatible rims Asymmetric, 30mm depth x 35mm wide carbon rim with 29mm ID Available in 650B (27.5”) and 700C (29”) Alloy P. R. A. hubs with DP spokes ISO 6-Bolts rotor mount Front hub with TA-15 x 110mm axle compatibility Rear hub with TA-12 x 148mm axle compatibility 6 Cartridge bearings 2-cross double butted spokes with brass nipples 6-pawl aluminum for SMN 9-11 sp or SRAM XD 10-12 speed freehub Includes tubeless valves (1 pair), FSA tubeless tape and spoke protector