NEW Shimano Ultegra CS-R8100 Casette - 12-Speed 11-34t Silver price_changed_on_2022-09-04 Easy-to-read dial gauge

Easy-to-read dial gauge

and more secure chain travel

TT (Effective) Fork Material Mfg Size Wheel Size Front Axle Rear Axle Rider Height 3-6 years old (2'10" to 3'8")

each component is chosen with a focus on performance

wicks moisture and dries quickly to keep you performing at your best

NEW Shimano Ultegra CS-R8100 Casette - 12-Speed 11-34t Silver price_changed_on_2022-09-04 Easy-to-read dial gaugeThe uninterrupted shifting experience of the Shimano Ultegra CS 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. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. Refined 12 step gear combination provides