Shimano's Dura-Ace Hollowtech II Crankset has always set the benchmark in strength-to-weight ratios, which is why it's proven itself at the highest echelon of competition. It's made of cold-forged and CNC-machined aluminum and has hollow crankarms and a hollow large chainring. Both chainrings also feature a new tooth design. The result is legendary stiffness for awesome power transfer and precision shifting you'll love. Plus, the Dura-Ace crankset is also lighter than many carbon models.
|Option||Barcode||Manufacturer's Part Number||Store SKU|
|53/39 / Silver / 170mm||00689228247055||ICF7900CX39||CRA42988461B|
|53/39 / Silver / 172.5mm||00689228247512||IFC7900DX39||CRA41348996B|
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These cranks are on my LOOK 586. I do all-around riding in [...] Area. Rolling foothills, sustained climbs of varying lengths, long stretches of flat valley roads. They are stiff, light, strong, beautifully made and durable.