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Old XT Chainset with rounded out bolt

Nick CodNick Cod Posts: 321
edited April 2014 in MTB workshop & tech
Afternoon All

I was wondering if anyone had any suggestions on how to remove an old XT (non drive side) crank arm. The arm is held on by an old, very rounded out, self extracting hex key bolt. Last night while out riding with a mate, the granny ring died. Pretty much broke in two so I had to continue on with only the middle and top ring. It’s had thirteen years use so I can’t really complain too much

However rather than order just a new granny ring I thought I’d upgrade it as I still love riding the bike and the current XT chainset was creaking quite a lot under pressure. I have ordered a new SLX chaninset with external bottom bracket but have the above issue to resolve before I can fit the new kit

Any suggestions would be appreciated

Thanks in advance NC
2016 Cube Agree C:62 SLT DISC
2013 Cayo Evo 3
2013 Zesty 414
2002 Avalanche 0.0
2018 Vitus Substance v2 105 Gravel

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