Designed for Shimano's 12-speed Ultegra drivetrain, it allows riders to shift seamlessly under load without sacrificing pedalling power, making it ideal for racing, climbing and high-intensity riding.
Giant Power meter pro 3 shimano Ultegra 12 Speed Dual Crankset 170mm 52 - 36
Shimano Ultegra 12 Speed Rear Derailleur Di2 OEM Packaging
Shimano Ultegra CS-R8101 Ultegra 12-speed cassette 11 - 34T
SHIMANO 105 / ULTEGRA 12 SPEED FIT CASSETTE (11-32) BY TIFOSI RRP £61.99
Shimano 105/Ultegra 12-Speed Electronic Di2 Groupset
SHIMANO ULTEGRA 10 SPEED GROUPSET - 39 / 53 - 12 / 23 CASSETTE - 172 .5 CRANKS