Rotor ALDHU24 crankarms
Rotor invented a new system: Rotor ALDHU24 in wich you can compose your own crank.
Durable, superlight en beautifull.
Compose you own crank from 155mm up to 175mm.
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The ROTOR ALDHU24 cranksystem
Rotor ALDHU24 cranks
Compose your one Rotor ALDHU24 crank. Starts with the crankarms. Available in 155mm, 165mm, 170mm, 12.5mm and 175mm!
The Rotor ALDHU24 crank are made according to the Rotor 3D + system, ie extruded aluminum so that the aluminum molecules of these cranks are close and straight together, which gives the crank a noticeable stiffness.Almost no more power is lost in bending soft material: A much more direct transfer of your power to the chain.
Rotor ALDHU24 spiderring or chainrings with spider
So choose what you prefer. As light and stiff as possible ?: Choose the ALDHU spidering (Qring or NoQ = round)
To remain flexible and to be able to replace your sheets separately: choose an ALDHU spider with loose sheets.
Both available in:
Weight Spider ring Qring (52/36): 188 grams
Weight outside leaf Qring 52 teeth: 106 grams
Weight inside leaf Qring 36 teeth: 27 grams
Weight spider: 52 grams
Weight of blade bolts (sitting at spider): 8 grams
As can clearly be seen on the photo of the loose spider, the new ALDHU system is multi-adjustable.So there are no more 4-5 adjustment options on the Qrings, but you can adjust the entire spider to the correct position!
Rotor ALDHU24 axle
The ALDHU 24 crank arms only fit on the ALDHU24 axle!
The other ALDHU axles are 30mm.
Advantage of this system: it fits in the current bearings if you are now riding Shimano. Shimano always has 24mm axles.