3902 LLU MAX - MAX-Design, Double-Row, Angular-Contact, Suspension Bearing -15mm x 28mm x 10mm AK Enduro Derailleur Pulleys are available

Enduro Derailleur Pulleys are available in several configurations and bearing performance levels

If you wish to avoid using the plastic insert MR 2437 is the correct bearing for the job

6801 LLU MAX BO - MAX-Design

the kit includes:

Angular-Contact Suspension Bearing -12mm x 21mm x 7mm

3902 LLU MAX - MAX-Design, Double-Row, Angular-Contact, Suspension Bearing -15mm x 28mm x 10mm AK Enduro Derailleur Pulleys are available3902 LLU MAX MAX Design, Double Row, Angular Contact Suspension Bearing 15mm x 28mm x 10mm Enduro Bearings pioneered MAX type bearings 20 years ago for bicycles to address the challenges associated with mountain bike pivots. MAX bearings provide 35 40% more load capacity than standard Angular Contact bearings by employing with a special design where the maximum number of balls (full complement) are inserted into the bearing, via a custom ground slot