Shimano xt b/b spacers

Ubonade66
Ubonade66 Posts: 10
edited December 2016 in MTB workshop & tech
Hello again
I am about to instal a new xt bottom bracket and I have a query about the spacers. I have measured the shell and its 68mm. I understand that I should put 2x2.5spacers on the drive side and 1 on the non drive side (left). Just noticed the bb come with 4 spacers which seem to be 3x2.5 and 1 that seems to be thinner again. Do I discard the thinner one and just use the 3 x 2.5?

Thanks for any help/guidence

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