Shimano Ultegra (R8100) 12 Speed Gear Service Kit

This comprehensive kit provides a matched CN-M8100 chain, CS-R8101 cassette, and RD-R8150 pulley set specific to the high-performance Shimano Ultegra 12-Speed (Di2 and non-Di2) system. This bundle offers a significant combined discount over buying individual components.

Routine replacement is vital, as worn components severely reduce SIL-TEC shifting accuracy and overall efficiency. A worn chain stretches, causing misalignment with the cassette teeth.

It is crucial to replace all three parts simultaneously. Fitting a new chain onto a worn 12 spd cassette causes immediate skipping and dramatically accelerates wear on the new component. Our matched kit ensures peak performance, maximizing your entire drivetrain's lifespan right away. 

Included:

• Ultegra R8101 - HYPERGLIDE+ - 12-speed - 11-34T (CSR810112134)
• CN-M8100 XT / Ultegra - with quick link - 12-speed - 126L (CNM8100126Q) 
• RD-R8150 Ultegra rear mech pulley set (Y3J198010)