ALDHU24 Road Direct Mount Crankarms for 24 mm Axle

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ALDHU24 Road Direct Mount Crankarms for 24 mm Axle


Product code: 231148003

134.90 € RRP €255.00

Price incl. VAT plus €16.35 (for delivery to United States of America)


Colour: black

Delivery time 7-14 business days

Store availability


The ROTOR ALDHU Direct Mount crankset is currently the lightest crankset in the product range of the Spanish bike specialist. Its name is an abbreviation for the legendary Alpe d'Huez stage on the Tour de France, to commemorate ROTOR's first Tour victory in 2008.

With its practical modular design and crank arms trimmed for lightweight construction, the ALDHU impresses with an outstanding balance between low weight and high stiffness. The robust 24 mm axle allows adaptation to almost any frame standard.
In addition, you have the choice between the one-piece oval ROTOR Q-Rings Direct Mount double chainrings, the round ROTOR Round Direct Mount double chainrings or the classic Spider for chainrings with 4 x 110 mm bolt circle diameter.

• Intended use: road, gravel, cyclocross, TT, triathlon
• Lightweight and stiff crankset system with modular construction
• Hollow, aluminium crankarms with “Trinity Drilling”
• Direct Mount chainrings
• Compatible with single and double chainrings with ROTOR one-piece design (Road)
• Compatible with ALDHU / VEGAST Spider BCD 110 x 4
• Compatible with ROTOR BCD 110 x 5 DM Spider
• Oval ROTOR Q-Rings adjustable with an accuracy of +/- 1°
• Compatible with almost all crankset standards
• Compatible with road groupsets from SHIMANO, SRAM or Campagnolo

Technical details:
• Material: CNC-milled 7055 aluminium
• Chainring mount: Direct Mount
• Axle Ø: 24 mm
• Chainline: 43.5 mm
• Q factor: 147 mm
• Crank arm length: 170 mm / 172.5 mm / 175 mm (please indicate your choice)
• Compatibility bottom bracket shells: BB86 / BB90 / PF30 / BBRIGHT / BB386 / BSA / ITA / BB30
• Weight: approx. 355 g (170 mm / without chainring / without bottom bracket)

Compatible chainrings:
• ROTOR DM Q-rings IX Direct Mount chainring OVAL (prod. code 2281591)
• ROTOR DM Q-rings Direct Mount double chainring OVAL (prod. code 2281600)
• ROTOR DM Round Direct Mount double chainring ROUND (prod. code 2311462)

Compatible spider (for 4 x 110 mm bolt circle chainrings):
• ROTOR ALDHU / VEGAST Spider BCD 110 x 4 for single- and double-speed (prod. code 2311467)
Compatible Spider (for 5 x 110 mm bolt circle chainrings):
• ROTOR 110x5 DM Spider for ALDHU / VEGAST / 2INpower / INpower (prod. code 2311440)

Compatible axles:
• ROTOR axle ALDHU / VEGAST 24 mm (prod. code 2311469)

Compatible bottom brackets:
• ROTOR Press Fit 4124 bottom bracket Road/MTB BB86/89/92 (prod. code 2311485)
• ROTOR Press Fit 4124 ceramic bottom bracket Road/MTB BB86/89/92 (prod. code 2311486)
• ROTOR BB 4224 ROAD Bottom Bracket - BB30 housing for 24 mm axle (prod. code 2311490)
• ROTOR Press Fit 4624 Bottom Bracket Road for BBright Press Fit and 24 mm Axle (prod. code 2311495)
• ROTOR Press Fit 4624 Bottom Bracket Road for Press Fit30 and 24 mm Axle (prod. code 2311497)
• ROTOR Press Fit 4624 Bottom Bracket Road for BB386EVO and 24 mm Axle (prod. code 2311500)
• Also compatible with SHIMANO Hollowtech II bottom brackets

In the box:
• 1 ROTOR ALDHU24 crank arm left
• 1 ROTOR ALDHU24 crank arm right
WITHOUT axle, WITHOUT chainring and WITHOUT bottom bracket!

Direct Mount:
All current ROTOR cranks of the Road Series ALDHU and VEGAST, the MTB series RHAWK , RRAPTOR and KAPIC as well as the powermeters INpower DM and 2INpower DM use the established Direct Mount system for chainring installation. A system that has proven its worth in mountain biking for years. This allows for easy chainring replacement, direct engagement on the axle and maximum flexibility in the choice of gear ratios and drivetrain characteristics. Moreover, the fine toothing between crank and chainring allows you to adjust the oval ROTOR Q rings with 1° accuracy.

Manufacturer`s ref.:
Hollowtech II/BB86/92
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