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  1. #1
    karbin fybar
    Join Date
    Jan 2019

    ****help***Technical question about my new to me 2014 scott scale 920 drive train

    ****help***Technical question about my new to me 2014 scott scale 920 drive train-scale.jpgSo here's the deal, i have been out of the MTB scene for 6 years and when i was in it i rode steel from the early 2000's. Well i recently aquired a 2014 Scott scale 920 carbon on a trade and it needs a few things tweaked to be setup correctly.

    Currently wonky drive train:
    new sram 10speed gx rear derailleur
    used sram gx 2x10 shifters
    10 speed shimano durace cassette 11-36 (waa? i know right)
    shimano hollowtech 3x crank that is running 2x with stock bottom ring and race face top ring. so weird

    The plan:
    keep the 10 speed gx rear derailleur and rear shifter for 1x10
    Sunrace 10 speed 11-40 cassette
    new sram chain
    new 1x crank

    What cranks will work with this new setup and with the stock sm-bb71-41a, shell 41x89.5mm bottom bracket?

    will the 11-40 sunrace give me any issues chainline wise or rub in the tire at all?

    Any help is appreciated, I am aware i could go to a shop and have this all sorted but I cannot currently drop that amount of cash on a budget setup. I also know that this thing is wonky as hell currently but it cost me nothing out of pocket and the frame fits me like a glove. So it is what it is for now.

    thanks in advance!


  2. #2
    mtbr member
    Join Date
    Sep 2007
    You cab use any Shimano or compatible crank with that bb. You could also just get a narrow wide ring with the correct bit pattern and rub it in the middle ring position, or they're are done designed with the proper offset to run in the outer position on a 3X crank.

    Sent from my Nokia 6.1 using Tapatalk

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