The REX 2 crank closes the gap between Rotor's REX 3 and the performance-orientated REX 1 crank. Featuring trinity drilled, cold forged crank arms and 30mm UBB aluminium axle. XC1 version with 76mm BCD.
Oval Rotor QX1-Rings increase the power stroke by minimizing the intensity of the "dead spot" zones. For REX 1.1 and REX 2.1 cranks with 76mm BCD. Special single speed teeth design prevents chain suck.
There is a power meter that fits your needs. Electronics and battery are integrated inside the axle. Superlight crank with hollow drilled arms with black anodized CNC-machined finish. Integrated 30mm aluminium axle and 76mm BCD.