specialized giant cube cannondale Mavic Castelli endura altura
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  • Product Description

    If your bike reflects your identity as a mountain biker, then selectivity and brand loyalty marks your choices. For SRAM cranks requiring a specific BCD, we crafted special 120/80BCD QX2 rings for your SRAM 2x cranks. In addition to biomechanical performance, we wanted everyone to experience Q-Rings – QX2 rings with 120BCD provide all the performance benefits of standard QX2´s while accommodating proprietary spider designs. The QX2´s feature a subtle 10% ovality and offer 3 Optimum Chainring Positions (OCP), which can be dialed in to take advantage of the most-powerful part of your pedal stroke to give you faster acceleration and better traction when you need it most.

    Characteristics:
    • 100% CNC-machined, 7075-T6 aluminum alloy
    • Aero design and reinforced rigidity
    • Steel shifting pins
    • 3 OCP points (2-3-4)
    • Designed to work with all 9, 10 and 11 speed groupsets