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K-TYPE
RD1
請選擇數量
詳細資訊
★ Crank Arm length: 165/167.5/170/172.5/175/177.5mm, 7075AL.
★ Chainring: 53/39T or 52/39T; 7075AL, 5 bolt 130mm BCD.
★ Chainring: 50/34T (compact); 7075AL, 5 bolt 110mm BCD.
★ Chainring bolt: KCNC Allen bolts 7075AL.
★ BB: 68mm(BSA). 70mm(ITA)
★ Chainline: 45.8mm
★ Q-Factor: 153mm
★ Bearing: Full stainless steel, better anti-rusting&durability.
★ High precision full CNC machined chainrings for smooth shifting.