... , 22.2*25.4*27mmB.B. parts: steel cup, 5 pcs, 3P axleHandle bar: steel, MTB type bar, 500mm*30mmstem: alloy, 22.2*150mm ... ball, CPchain: KMC, 1/2"*1/8"chain tighter: steel, 2 pcscrank set: steel chainring, 48T, alloy crank, 170mmrim: alloy, Deep V ... : PVC body, with reflector and ballSaddle: for road bike, with steel clampSeatpost: steel, 300mmSeat pin: alloy clamp, with one boltAssembly: 85% SKDcarton ...