BK CX Pulley Red - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 The most common use for

The most common use for this bearing is as a direct replacement bearing for Shimano-type external cup BBs and cranksets with 24mm spindles

Bottom Bracket Bearing featuring 440C stainless steel alloy races and balls with 90% fill

refer to BKS-7015

while the lighter-contact (less seal-drag) LLB seals facing inward keep the grease where it belongs

MR 22371 LLB-E - ABEC-3

BK CX Pulley Red - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 The most common use forBK CX Pulley Red Max type, Sealed Bearing, Seat Tube Cable Roller for Bottom Pull Front Derailleurs Not a particularly in demand product in these days of 1X drivetrains, but this is a handy upgrade for many older Cyclocross bikes that havetop tube cable routing and bottom pull 2X or 3X front derailleurs. This roller is precision machined from Black Delrin and features an Enduro MAX type bearing for long lasting smooth performance. Max type bearings