Dub/12speed sram crank compatability?

Discuss light weight issues concerning road bikes & parts.
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RocketRacing
Posts: 870
Joined: Thu May 10, 2018 2:43 am

by RocketRacing

So i want to take a 2x force crank off a tri bike that has etap 12 speed. I want to put it on my 2018 giant tcx advanced sx 1x cyclocross bike (apex 1) set up for 1x. I presume there is a dub bb to fit the frame, but would spindle length be the same, and could chainline be adjusted?

by Weenie


TobinHatesYou
Posts: 4169
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

RocketRacing wrote:
Fri Aug 23, 2019 2:39 am
So i want to take a 2x force crank off a tri bike that has etap 12 speed. I want to put it on my 2018 giant tcx advanced sx 1x cyclocross bike (apex 1) set up for 1x. I presume there is a dub bb to fit the frame, but would spindle length be the same, and could chainline be adjusted?

AFAIK there is only one spindle length for Force/Red DUB cranks. Giants use BB86 IIRC, so you would just get SRAM's BB86 DUB cups...or you could get flanged direct press-in bearings from WheelsMfg or something. The Force crank uses the removable 4-bolt spider and can be converted between 2x and 1x just with chainring swaps. The X-Sync Road chanrings are already offset to address chainline issues.

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VTR1000SP2
Posts: 779
Joined: Tue Nov 05, 2013 8:21 pm

by VTR1000SP2

It’s not necessarily dub, could also be GXP


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TobinHatesYou
Posts: 4169
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

Unless the tri/tt is a Trek Speed Concept or has an Italian threaded BB, it’s unlikely that the Force crankset is GXP.

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