specialized giant cube cannondale felt-bikes shimano endura altura
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  • Product description

    Precision engineered Dura-Ace 7700 bottom bracket for road Octalink splined system.

    Key Features:

    • 22 mm diameter chrome-moly hollow pipe billet axle reduces weight
    • Splined interface gives a more rigid crank assembly compared to tapered counterparts
    • Compound bearing structure - ball and needle bearings support the spindle to reduce flex
    • Maintenance-free sealed cartridge design prevents corrosion and is easy to install
    • Average weight 173 g


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