Hub and rim technology configured with J-bend steel spokes Disc specific, hollow bead wall aluminum clincher rim (37.66mm outer/30mm inner width) features a tubeless friendly bead shelf Hydra2 hubs with 870 P.O.E Approved for use on SL Ebikes with up to 65 Nm/44lbs power Suggested tire width compatible with 2.32.8" 290lbs/132kg suggested rider weight limit