Take part in the oval revolution with this quick bolt on that transforms most cranks into an oval-friendly setup. Compatible with Rotor Rex 1.1, 2.1, SRAM XX1 and Specialized 1x cranksets, it lets you reap the rewards of Rotor’s QX1 ovalized chainrings on your next long XC ride.
- Made of 7075-T6 aluminum.
- Compatible with Rotor Rex 1.1, 2.1, SRAM XX1 and Specialized 1x cranksets.
- Designed for used with Rotor QX1 chainrings.
|Ideal for||Performance and race road cycling|
Bolt circle diameter
Bolt circle diameter (BCD): the diameter of an imaginary circle that intersects the centre of each chainring bolt.