Shimano bb 70b xt m770 slx m660 hollowtech ii bottom bracket set
Shimano bb 70b xt m770 slx m660 hollowtech ii bottom bracket set
The shimano bb 70b xt m770 slx m660 hollowtech ii bottom bracket set includes left and right hand cups spacers inner cover inner o rings and sealed cups to help keep out dirt and water
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