ALDHU features ROTOR’s innovative modular design with OCP Mount for Q RINGS® and Direct Mount technologies. Combined with our one-piece chainrings that are machine CNC’d from single blocks of aluminum you can enjoy the perfect balance between lightweight and stiffness
The ALDHU incorporates OCP Mount technology, which enables the rider to fine-tune the orientation of ROTOR’s oval Q RINGS. The ALDHU® proprietary, patent-pending design is based on the modularity of each crankset component.
Weight: 347,8 g (175mm w/o chainrings&axle)
Q-Factor: 148 mm / 153 mm
Chainline: 43.5 mm / 46 mm
Material: 7055 aluminium
Compatibility: BSA30 , ITA30 , BB30 bearing kit, PRESS FIT 4630, UBB4630, BB386 , PRESS FIT 4130
Our new model name comes directly from our racing heritage. It is an abbreviation of Alpe d’Huez to commemorate ROTOR’s first iconic victory at the Tour de France with Carlos Sastre