specialized giant cube cannondale Mavic Castelli endura altura
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  • Product Description

    Renthal's chainwheels are precision CNC machined to extremely tight tolerances to give the ultimate combination of strength and light weight. The 7075 T6 aluminium alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit give maximum power transfer and long-life. Renthals combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life.
    • Hard Anodised brown/gold colour.
    • CNC 7075 Alloy
    • 5/64" 9sp
    • 19mm Axle hole
    • 34, 36, 38, 40, 42 & 44T. ( 34T = 90g)