BK CX Pulley Red - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 MR 22371 LLB-E - ABEC-3

MR 22371 LLB-E - ABEC-3

Their corrosion-proof

Only a few years ago

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

BK CX Pulley Red - Max-type, Sealed Bearing, Seat Tube Cable Roller for Bottom-Pull Front Derailleurs 428420 MR 22371 LLB-E - ABEC-3BK 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