Rotor Aldhu Direct Mount Crank Arms

These Rotor Aldhu Direct Mount Crank Arms are the perfect addition to your cycling setup. The direct mount design ensures maximum power transfer, resulting in improved performance. Made from high-quality materials, these crank arms are durable and lightweight. Upgrade your ride with these expertly crafted crank arms.

Features

• ALDHU features a proprietary spline interface connecting crank arm, axle and chainring allowing simple assembly and disassembly of your crankset.  

• 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.

 Specifications

• 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: BSA30 , ITA30 , BB30 bearing kit, PRESS FIT 4630, UBB4630, BB386 , PRESS FIT 4130