Size (length*width*height): 20cm x 30cm x 40cm

ALDHUis our lightest, strongest and stiffest cranksetandispart ofour Direct Mount technology familythatfeatures 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 withOCP 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 ofAlpedHuezto commemorate ROTOR's first iconic victory at the Tour de France with CarlosSastre.

Whats included: ALDHU Crank arms/ ALDHU Axle /Direct MountChainrings / Spacers

Weight:355 g (170 mm)

Sizes:155/160/165/170/172.5/175

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

Chainring: 40-36 48-32 50-34 52-36 53-39

Shape: Qring Oval ROTOR round