Feature●Shimano BB RS500 Hollowtech II English Mountain Bike Bottom BracketDescriptionclass="celwidget" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="2gor44-j34qsu-b1wbvt-df18bd" data-cel-widget="aplus_feature_div">