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Fully adjustable and removable no-slip sternum strap
} The Pro Circuit Camshaft is designed to provide superior performance over stock (HP/torque) by optimizing the valve lift profile
Higher overall performance with more progressivity at low
then passed through aligned vent
HUB (Hybrid Unibody Back panel) for ultimate comfort
KOPPELINGSHUIS CRF450X '05-14 Fully adjustable and removable no-slipPROX's reinforced coupling parts are made in one piece and thermally treated to withstand the test of time. They guarantee better performance than the original. These products are developed in collaboration with many international teams and drivers, both in MX and SX competition.
