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ROTOR Crankarms ALDHU for Road Bike

Item number:
28095
Product weight: 353 g
Brands: ROTOR

old price: 224,50 €
from Special price 195,00 €
MSRP: 299,00 €
You save 34,78%, that is 104,00 €

including 19% VAT. excl. Shipping costs / shipping time info

Lenght Crankarm

There are variations of this item. Please select the variation you wish.

Availability:
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Description

ROTOR crank arms ALDHU for racing bikes

With the ALDHU, ROTOR brings the lightest aluminum crank in the company's history to the market. The name is an abbreviation for the legendary Tour de France climb from Alpe d'Huez, on which Carlos Sastre laid the foundation for the overall Tour victory in 2008 with Rotor Q-Rings and thus gave ROTOR one of the greatest victories in the company's history.
The ALDHU crank system has a modular structure for the greatest possible adaptability. chain line for disc and rim brake hubs can be adapted via 2 different shafts and the 110 millimeter 4-hole spider can be exchanged for ROTOR's new direct mount chainring combinations or for a single direct-mount chainring. For the optimal setting of the oval ROTOR Q-Rings chainrings, the OCP system (Optimum Chainring Position) has been further refined. Using a combination of different positions of the crank arms on the crankshaft and a fine-grained spider mount, the position of the chainrings can be adjusted in 1-degree steps.
The crank arms made of ultra-light aluminum 7055 are manufactured with Rotor's proven Trinity Drilling System. Along the entire length of the crank arm, material is removed from the central, neutral fiber of the crank arm in 3 channels. This material only contributes to a small extent to the load-bearing capacity of a component and can be omitted without negative consequences. The necessary rigidity and stability is achieved with a lightweight construction over large outer diameters.
The matching ALDHU crank axles have an outer diameter of 30 mm and can be driven with corresponding inner bearings in frames with PF30, BSA, BBright (Cervélo) and BB30 bottom bracket housings.

NOTE: Contrary to the illustration, only the crank arms are supplied. You can find suitable chainrings and crank axles in our shop.


Technical specifications:

intended use : racing bike, cyclocross, triathlon
Material crank arms: aluminum 7055
Crank lengths: 150, 155, 160, 165, 170, 172.5 or 175.0 mm
Compatibility chainrings: Rotor ALDHU
Chainring gradation: 2-fold
Chainring mounting: Direct Mount (1-way or rotor ALDHU 2-way spider rings) or rotor ALDHU 110 mm 4-arm spider (Shimano asymmetrical)
Q factor: 148 mm (rim brake) or 153 mm (disc brake)
chain line : 43.5 mm (rim brake) or 46 mm (disc brake)
Compatibility bottom bracket: BSA, ITA, BB86, BB30, BB30A, PF30, BBRight, BB386 Evo (optional, not included)
Color: Black

Weight according to the manufacturer: 348g (175 mm)
Weight weighed: 353g (172.5mm)


Scope of delivery: 1x Rotor ALDHU crank arms (left, right)

available from stock
224,50 €
available from stock
195,00 €
available from stock
224,50 €
available from stock
224,50 €
available from stock
224,50 €
available from stock
224,50 €
available from stock
224,50 €
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