airwolf mountain bike frame full carbon fiber 29er boost hardtail bicycle frames s m l xl size 148*12mm mtb bikes frameset 2 years warranty

1.bottom bracket:pf30 (46*73mm) 2.head tube:up 1-1/8",down 1-1/2" 3.brake type:disc brake 4.disc rotor size:160mm 5.cable type:internal cable 6.fit for tail hook:thru axle 7.seat tube:31.6mm diameter 8.max tire size:29er*2.45 inch 9.weight:1070g+/-20g (size m) 10.product included:frame,headsets,bb transfer,seatpost clamp,thru axle rod, aluminum parts 11.t1000 carbon fiber material, which can improve the body structure, strength and maneuverability while reducing the weight. high compatibility and high stability the bottom bracket adopts pf30 press in type to provide stable stepping support.