... . parts: steel cup, 5 pcs, 3P axleHandle bar: steel, MTB type bar, 500mm*30mmstem: alloy, 22.2*150mm, minus 10 degreeBrake ... pcscrank set: steel chainring, 48T, alloy crank, 170mmrim: alloy, Deep V type, 45mm high, CNCTire: 700C x 25C tire, black, butyl inner ...