Bike Forums - View Single Post - The Effect Of Crank Length On Performance
Old 10-26-18, 01:22 PM
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Nate2453
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[QUOTE=gl98115;20633322]The Rotor ALDHU comes in 150 and 155mm. To put together a crankset for a BSA 68 track bike, you need :

Crank arms
Track Spider
Track 30 Axle
BSA30 Track BB

Beware and get the correct bottom bracket. The axle is 30mm, so get the new track BSA30 BB with the red seals, not the older 24mm track BB with the blue seals (online vendors may not yet know the difference). The Rotor rep said the road BSA 30 does not work.

Also, the spider is thin and not countersunk for captive nuts. Dura Ace chainrings don't cinch down with normal track bolts. FSA are reported to work as well as the Rotor track chanirings.

Is the above crankset a power meter (links removed since I am not allowed to post links)? I am currently riding a 3D Inpower road adapted with a spider adapter to get to 144BCD. I would love to have a dedicated track crankset that is 155 and a power meter.
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