28mm wide 6061 eyeleted OSB alloy rim for wheel stiffness;Sealed bearing hubs with 3 pawl, 24 tooth drive mechanism;Rear hub is interchangeable between 135 and 142x12 with included axle kit;Includes Bontrager TLR rim strips and valve cores;28 front/rear DT 14/15g spokes with Alpina locking alloy nipples;Compatible with both Shimano and SRAM 9/10 speed cassettes;Compatible with 6-bolt ISO disc brake rotors;Optimize with Bontrager TLR Tire Sealant and Tubeless Ready tires;