CeramicSpeed Pulley Wheels for Compatible with Shimano 11-speed - 11 Tooth, Alloy, Red Rear Derailleurs Using Di2 components with different

Using Di2 components with different firmware versions may cause malfunctions

130185-Q0-L

Manufacturer Part Number: REMOTE-MAGURA

Manufacturer Part Number: 250BLACK

Manufacturer Part Number: CFW-STD-CROMBIE-DS

CeramicSpeed Pulley Wheels for Compatible with Shimano 11-speed - 11 Tooth, Alloy, Red Rear Derailleurs Using Di2 components with differentCeramicSpeed pulley wheels reduce friction, last 3 5 time longer than stock high end pulleys, and are designed to work with less drag. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Product Specifics Fits Brand: Compatible with Shimano Drivetrain Speeds: 11 Today's Stock Status Currently not available UPC: Not available EAN: 5711050004478 Manufacturer Part Number: 101694 DP0108 163797 Q0 L