ALDHU is ROTOR lightest crankset ever at 561g(exclude chainring and BB).

Combined with one-piece chainrings that are machine CNC’d from single blocks of aluminum. You can enjoy the perfect balance between lightweight and stiffness.


The name is an abbreviation of the mythical Alpe d`Huez stage on the Tour de France to commemorate ROTOR ́s first iconic victory with Carlos Sastre in 2008.


ALDHU features ROTOR's innovative modular design with OCP and Direct Mount technologies. It enables the rider to fine-tune the orientation of ROTOR’s oval Q RINGS.


A 30mm axle make the crankset stiffer and lighter. A low Qfactor of 140mm ensure a perfect position in the bicycle for TRACK and Fixed users.


Given the unique requirements of track cycling and fixie riding, Aero, stiff, and crafted especially for track, nOQ chainring with 144BCD respond to your fast-twitch muscle action and high power outputs.



Brand: Rotor

Color: Black

Arms length: 170mm

Spindle: 30mm

BB: BSA30 Track 68/73 mm

Q-Factor: 140 mm

Chainline: 43mm

Teeth: 49T/ 50T/ 51T

Weight: Around 768g(50T)

Spec: BCD144

Type of chain: 1/2 x 1/8"

Remark: This crankset is including chainring, crank arms, bottom bracket. Rotor crankset has its specific mounting instruction. Please must read it before mount the crankset to avoid .




Made In Spain.

Rotor ALDHU Crankset with Chainring, BB


Exclude Sale and Clearance, if for any reason you do not love your items once received, and the condition is still new, with tags, haven't be used, they can be returned at any time! You can exchange or return merchandise through our mail. But return policy is within 30 days. We will not be able to offer you a refund or exchange past 30 days from the date of purchase.

Below are the steps you need to follow for return & refund policy.

1. If you confirmed to make exchange or refund, please attach your purchase invoice got from us and email to 

2. Once we confirmed received your requirement, we'll proceed refund process and send back confirmation. To not affect second selling, please ensure your return item with same condition (with tags) as new as you received.

3. Please send your item back with original packing to below our shop address. Shipping fee or any custom fee will be charge by your own side.

Faith Gear Fixie Corp.

No.7, Ln.106, Baojiang Rd., Chonghe Dist., 235 New Taipei City, Taiwan.


4. We'll arrange exchange or refund process once confirmed receiving your item without damage. Exchange will send ASAP if product in stock. If exchange product is out of stock, we'll inform the estimated arrival days to you. Refund may will takes 7~14 days returned to your account depends on each bank.