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double seals and 90% fill with high pressure water proof grease to withstand daily abuse of use and the elements
Machined Delrin Derailleur Pulleys for 11 speed Shimano GRX Derailleurs (5mm bolt hole)
The race grooves are also deeper on these bearings to provide increased lateral support to counteract the twisting and multi-directional forces associated with mountain bike pivots
black-oxide treated chromium steel and 440C stainless steel
but features a slightly smaller (51
B 539 LLB MAX - MAX-Type, Radial, Suspension Bearing - 3/4 x 1-3/16 x 1/4 sale double seals and 90% fillB 539 LLB MAX MAX Type, Radial Suspension Bearing 3 4 x 1 3 16 x 1 4 Enduro Bearings pioneered MAX type bearings over 20 years ago for bicycles to address the challenges associated with mountain bike pivots. MAX type bearings provide 35 40% more load capacity than standard radial bearings by utilizing a special design where the maximum number of balls are inserted into the bearing, via a custom ground slot in the races. The additional balls, combined
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