Designed to stand up to the rigors of EWS racing. Asymmetric, 33mm internal rims made of 6061 T 10 heat treated alloy is incredibly durable. Front Halo MT convertible hub includes 15mm thru axle end caps with adapters for Torque Caps and QR non boost only conversion available separately. Rear MT Supadrive rear hub uses a wedge pawl mechanism and hollow cro mo axles for maximum stiffness and efficiency 120 points of engagment 3 deg . All hubs have forged alloy shell, sealed bearings, International Standard 6 bolt disc rotor mount. front 1035g, rear 1235g. Designed to stand up to the rigors of EWS racing Asymmetric, 33mm internal rims made of 6061 T 10 heat treated alloy is incredibly durable Front Halo MT convertible hub includes 15mm thru axle end caps with adapters for Torque Caps and QR Rear MT Supadrive rear hub uses a wedge pawl mechanism and hollow cro mo axles for maximum stiffnes All hubs have forged alloy shell, sealed bearings, International Standard 6 bolt disc rotor mount