Shimano Ultegra FC-6800 11 speed 52t Outer Chainring for 52/36t Bike Accessories Brand_SKS Zonal rubber placement

Zonal rubber placement

Add in heel counters that prevent slippage

while the carbon fork helps dampen road vibrations

A zipper has been added to the ankles for easier adjustment

Shimano Ultegra FC-6800 11 speed 52t Outer Chainring for 52/36t Bike Accessories Brand_SKS Zonal rubber placementThese Shimano 11 Speed Chainrings are exact replacements for Ultegra FC 6800 4 arm cranksets. Outer rings feature lightweight Hollowglide carbon alloy construction with ramps and pins to match up with the aluminum inner chainrings. Chainring BCD: 110mm asymmetrical Shimano recommended pairing: 53 39T 52 36T 50 34T 46 36T *Sold Individually. Inner Chainring not included.