The ALDHU cranks are ROTOR’s lightest cranks ever. Featuring an innovative modular structure constructed of CNC’d aluminum, the ALDHU crank arms are ready to take you to the top of the podium. The crank arms incorporate 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. This is done to make each component individually available to accommodate the current spectrum of rider and bike standards. The ALDHU crank arms feature ROTOR’s Trinity Drilling Design which is a process that drills three full-depth holes along the axis of the crank, reducing weight without sacrificing stiffness. The ALDHU crank arms are stiff, light, and ready to win.
Constructed of 7055 CNC Aluminum that is light, strong, and durable
OCP Mount technology allows riders to fine tune ROTOR oval Q-rings
Trinity Drilling Design creates a lightweight crank without compromising stiffness
BB30, BB386, BB86, BBRIGHT, BSA, ITA, PRESS FIT 30
43.5 mm / 46 mm depending on axle choice, rim or disc
Crank Arm Length
150mm, 155mm, 160mm, 165mm, 170mm, 172.5mm, 175mm
BB Spindle Diameter
Bolt Center Diameter (BCD)
110x4 Spider Mount, DM
Crank Arm Material
Bottom Bracket Included
347.8 g (175mm w/o chainrings&axle)
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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