For maximum pedaling efficiency, Shimano's 105 Compact Crankset boasts light, strong and stiff hollow, cold forged-aluminum arms, plus an integrated oversize-steel axle. The compact chainrings are also made of cold-forged aluminum and are ramped and pinned for quick, precise shifting.
Bottom bracket cups sold separately
855 grams (53/39, 175mm)
|53/39 / Lodestar Black / 175mm||689228423749||IFC5700EX39L||PACR2205004|
|50/34 / Silver / 172.5mm||689228422957||IFC5750DX04S||PACR1675010103|