Shimano Ultegra FC-R8100 12 Speed Chainring cassons instead of letting the fear

instead of letting the fear of flats dictate these important decisions for you

Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn

Ispecll compatible - Yes

Magnesium Sulfate

Shimano Ultegra FC-R8100 12 Speed Chainring cassons instead of letting the fearChainring for the Shimano Ultegra FC R8100 and FC R8100 P 2x12 speed cranksets. The 110 mm bolt circle diameter ensures fast, smooth shifting, and for weight optimization, the outer ring also features a Hollowglide construction that still delivers extreme stiffness. Specifications Outer: aluminum (anodised), carbon fiber reinforced plastic (CFRP) Inner: aluminum (anodised) Mfr Claimed Weight TBC Refresh your Ultegra front shifting with this chainring,