Race Face Turbine-R 35 29" Rear Wheel 12x148 Boost MS BlackTraction optimized wide profile rim ideal for wider tires (2. 4 2. 8") Asymmetric rims and same length spokes for nearly even left right tension 35mm ID, 38. 5mm OD double wall 6069 aluminum rim (40% stronger than 6061) Tubeless ready rims, tires mount easily without a compressor Wide bearing stance for reduced radial loading Hub end caps are easily replaced to fit virtually any axle standard 120 point, 6x3 pawl system engages every 3 degrees