Description
cold formed
Fits all frames
Bleed Valve
Altitude Powerplay Alloy 2023
Improved release button makes it easier to remove the light from the bracket
CS-R8101 Ultegra 12 Speed Bleed Kits cold formedThe uninterrupted shifting experience of the ULTEGRA R8100 12 speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed FREEHUB bodies. HYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change