Shimano Dura-Ace BR-R9210-RS Direct Mount Rear Brake Caliper model-shivprorace you probably have noticed that

you probably have noticed that each new release builds a little on its predecessor and the FR945 is no different

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Continental Grand Prix 4000 S II 700c x 22mm Tubular Tire

Shimano Dura-Ace 7400 Chainring 56T 6/7/8 Speed 130mm BCD

Shimano Dura-Ace BR-R9210-RS Direct Mount Rear Brake Caliper model-shivprorace you probably have noticed thatWith Shimano's SLR EV dual symmetric pivot design, the short arm Dura Ace R9200 series caliper brakes employ twin bearings and a roller to realize greater efficiency and deliver superior modulation and stopping power. They are offered in traditional and direct mount options. Exceptional balance of rigidity, weight and stopping power Maximum tire size is 28C Lightweight magnesium brake shoe holder Sleek and integrated low profile caliper design 51mm