Topic starter
My XTR M970 bottom bracket has play in it, how do I tighten it up please - I have no idea!
thanks, Chris_jh
Posted : 12/04/2020 2:17 pm
M970 cranks have a little preload ring on the left hand crank arm. It has a small pinch bolt.
You can try adjusting it ,
Posted : 12/04/2020 2:22 pm
Once the main bolt is tightened, rotate the knurled ring behind the crank to take up any slack.
Posted : 12/04/2020 2:38 pm
Topic starter
thanks guys
Posted : 12/04/2020 4:35 pm
