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Old 12-23-18, 06:26 PM
  #527  
HerrKaLeun
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Join Date: Mar 2017
Location: Madison, WI
Posts: 1,420

Bikes: Giant Toughroad SLR1 and Motobecane Sturgis NX

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Originally Posted by Osin83 View Post
I have a 2016 SLR2 in large that I will be converting to a 1x12 Sram GX setup with a Sunrace 10-50t cassette shortly. I want to replace the crankset and BB at the same time but am not sure which parts will be compatible with both the Frame and the rest of the drivetrain I will be purchasing.

I was thinking of going with a Sram GX crankset with 175mm arms, but there seem to be multiple sizes of BB. I most often see the Shimano UN55 recommended. I wasn't sure if it would be compatible if I went with a Sram crankset.
The toughroad has a standard english threaded 68mm BB shell. I just installed a Shimano SLX crank. that cost $62 at CRC and weighs around 600g. A BB cost $13. Just add whatever chainring you want, no need to buy SRAM. you also can install the Sunrace 11-50 cassette if you want to keep the existing hub. That cassette cost around $60 at bike24. the 10-50 SRAM cassette requires an xD hub.
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