For maximum pedaling efficiency, Shimano's 105 Mid-Compact Crankset boasts light and stiff hollow, cold forged-aluminum arms, plus an integrated oversize-steel axle. The mid-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 / 165mm||00689228607590||IFC5800AX26L||QBP-CK0025|
|Black / 172.5mm||00689228607705||IFC5800DX26L||QBP-CK0006|