Shimano Ultegra R8000 Chainring - 53 Tooth 11-Speed 110mm BCD For 53-39T Combination Manufacturer Number-114015207000 Color Black/Bronze Defined Color Brown

Color Black/Bronze Defined Color Brown Designed for ebike Yes Flat Protection Tread and Sidewall ISO Diameter 622 / Road / 29" ISO Width (mm) 62 Labeled Size 29 x 2

Chris King ThreadFit 30 bottom brackets are designed and built to be durable serviceable and silent

Control knob to regulates CO2 flow

The tread pattern features a directional tight-knit center tread that sheds dirt and debris to decrease rolling resistance and side knobs for effective cornering traction

Shimano Ultegra R8000 Chainring - 53 Tooth 11-Speed 110mm BCD For 53-39T Combination Manufacturer Number-114015207000 Color Black/Bronze Defined Color BrownShimano Ultegra R8000 Chainring 53 Tooth 11 Speed 110mm BCD For 53 39T Combination. This Shimano chainring allows you to update your Ultegra FC R8000 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt