Modularity allows you select the perfect chainring size for each ride and easily remove & install chainring with only one bolt. Choose Q RINGS® to enhance your performance with OCP mount technology to precisely adjust your unique Optimal Chainring Position (OCP). Classic Round chainrings also available.
ALDHU’s name comes directly from ROTOR’s 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.
What’s included: ALDHU24 Crank arms/ ALDHU Axle / Direct Mount Chainrings / Spacers
Characteristics
Weight: 355 g (170 mm)
Sizes: 170/172.5/175
Q-Factor: 148 mm / 153 mm depending on axle choice, rim or disc
Chainline: 43.5 mm / 46 mm depending on axle choice, rim or disc
Material: 7055 aluminium
Compatibility: BB86/BB90/PF30/BBRIGHT/BB386/BSA/ITA30/BB30
