Rear HUB: aluminum alloy straight pull, middle lock, after 24 holes, four bearings (Pelling) quick disassembly, 10135MM, barrel shaft version: 12142MM, you can remove the base without tools, easy to clean/maintain the base. Base: 8-12 speed 7075 aluminum alloy HG/MS/XDR planetary ratchet 54T. HG installation (8-10 speed installation needs to add a gasket, 11/12 speed flywheel installation directly), 7 speed flying needs to add 3 gaskets. Spoke: stainless steel electric black straight pull spoke, 14MM extended aluminum cap. Rim: Carbon fiber opening/vacuum dual-purpose fat ring, 50MM ring height, UV bright disc brake ring, F/V air nozzle.
Weight: 50 carbon wheel: front wheel 865 grams, rear wheel 980 grams (excluding quick disassembly, a pair of error within 20 grams). Recommended tire size: 700C23C-45C; 29 " 1.25" 2.1. Wheel distribution: Quick removal rod (quick removal version only), PVC explosion-proof tire pad, 2 repaired spokes, 1 flywheel gasket (HG version only)!