B 539 LLB MAX - MAX-Type, Radial, Suspension Bearing - 3/4 x 1-3/16 x 1/4 sale Machined Delrin Derailleur Pulleys for

Machined Delrin Derailleur Pulleys for 11 speed Shimano GRX Derailleurs (5mm bolt hole)

while the other ceramic-hybrid options will only get slower

black-oxide treated chromium steel and 440C stainless steel

A radial bearing generally used as a hub bearing

B 539 LLB MAX - MAX-Type, Radial, Suspension Bearing - 3/4 x 1-3/16 x 1/4 sale Machined Delrin Derailleur Pulleys forB 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