28mm wide 6061 eyeleted OSB alloy rim for superior tyre support and wheel stiffness. Sealed bearing hubs with 3 pawl, 24 tooth drive mechanism for quick engagement and durability. 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 spd cassettes. Compatible with 6-bolt ISO disc brake rotors. Optimise with Bontrager TLR Tyre Sealant and Tubeless Ready tyres.