Grade 3 Silicon Nitride ceramic balls, graphite/nylon retainers, filled with Kyodo Yushi grease for ceramic bearings. Ceramic bearings provide superior smoothness, reduced weight and extended bearing life. Kit includes all of the parts to change out Shimano, FSA, or Race Face external cup BB bearings . Includes 2 each 2437 ceramic bearings and 4ea) seal/shims. Suggested for use with AB-9010 (outboard BB bearing replacement tool) .
Works with Dura Ace, Ultegra, 105, MegaExo Road, Mountain and X-Type Bottom brackets
Recommended to Use with the Enduro BB bearing Removal/Installation tool Part# TL8901 , and TL9802 The Cup Removal Tool
Comes with 2 bearings 2 orange seals to retrofit Outboard BB's except , 06 Dura Ace , and 06 Ultegra which uses the 2 blue seals (included)
All Enduro Outboard Kits have larger 5/32" balls than the standard 1/8" ball with a net load increase over 20%