For maximum pedaling efficiency, Shimano's 105 Compact Crankset boasts light, 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. The asymmetrical, four-armed big chainring provides incredible power transfer.
|Option||Barcode||Manufacturer's Part Number||Vendor Number|
|Black / 170mm||00689228607569||IFC5800CX04L||TRK-512655|
|Black / 175mm||00689228607552||IFC5800EX04L||TRK-512658|