Ultegra FC-R8000 Chainring Tooth Count:36T (52-36) High flow silicone valve

High flow silicone valve

adapting the upper to the shape of the foot for a customized fit

A cursory glance at POLYTOUR REV reveals an obvious design goal

less noise

and the ability to reach speeds up to 4 minutes per mile

Ultegra FC-R8000 Chainring Tooth Count:36T (52-36) High flow silicone valveThe Shimano Ultegra R8000 Chainring is a high performance component designed for cyclists seeking improved shifting and chain retention. Compatible with Shimano R8000 cranksets and other 110 BCD 4 bolt cranksets, this chainring is engineered to enhance your cycling experience with its advanced design and durable construction. Key Features: Compatibility: Designed to work seamlessly with Shimano R8000 cranksets and other 110 BCD 4 bolt cranksets,