FC-R9200 Dura Ace 12 speed inner chainring, 40T-NJ for 54/40T wall mount The adapter puck required for

The adapter puck required for mounting Wahoo head units to the Pro Blendr Alloy Computer Mount

From flow trails to chunky technical challenges

Can be adjusted to any chainsize

refreshing multi-carbohydrate and electrolyte formulation to keep you energised and hydrated during exercise

FC-R9200 Dura Ace 12 speed inner chainring, 40T-NJ for 54/40T wall mount The adapter puck required forThe Shimano Dura Ace FC R9200 12 speed chainrings are the perfect replacement for worn or damaged chainrings Shimano's class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high load The teeth have been developed to work only in conjunction with 12 speed chains for improved contact providing more efficiency and improved power transfer Genuine Shimano replacement chainrings for the FC R9200 & FC