PRO Brackets Aero Clip-On Black 31.8mm / 22.2mm Alloy GiantMaySale Genuine replacement chainrings for the

Genuine replacement chainrings for the Shimano Ultegra FC-R8000 crankset

Suitable for MTB racing

Reduced hand fatigue on long rides

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PRO Brackets Aero Clip-On Black 31.8mm / 22.2mm Alloy GiantMaySale Genuine replacement chainrings for theThe PRO Aero Clip On Brackets are designed to facilitate an aerodynamic, time trial, position on any bicycle with compatible 31. 8 millimeter diameter handlebars, when used in combination with PRO Extensions. Features Used to create a time trial style positionAerodynamic designLightweight and robust Specifications Clamping Diameter: 31. 8 mmDrop: 120 mmFlare: 4 degreesConstruction: AlloyHardware: Stainless Steel Mfr Claimed Weight TBC