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black-oxide treated chromium steel and 440C stainless steel
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)
cryogenically treated nitrogen steel races with Silicon Nitride Grade 5 ceramic balls in a proprietary process that results in the ultimate high performance bearing setup
B 539 LLB MAX - MAX-Type, Radial, Suspension Bearing - 3/4 x 1-3/16 x 1/4 sale black-oxide treated chromium steel andB 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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