Shimano Dura Ace 9100 group set with 50 / 34 and 11 m/28

The Dura Ace 9100 with 50/34 chainset and 11 / 28 cassette group set from Shimano. Dura Ace 9100 Group set has been designed to work in unison with each other giving you the unparalleled power delivery and performance. The new Dura Ace cranks give a perfect balance between being light weight and stiff making it the choice for the worlds pro road riders. The Outer chain ring on the dura ace 9100 crank are hollow to give further weight reduction and removing flex from the chain ring giving crisp precise shifting under even under high load. The cassette features a rigid carbon and alloy carrier helping to improve shifting when every shift counts. The Dura Ace 9100 rear derailleur has a carbon cage and pulley plates to reduce weight plus improving stiffness, with self-lubricating pivot bushings. The front derailleur has been redesigned to eliminate outer trim and is more resistant to chain wear due to the forged alloy chain cage. The Dura Ace 9100 brakes are dual symmetrical for increased stopping power also giving clearance to run 28 c tyres. The brakes feature a thrust bearings and coated bushings to increase durability and smoothness. New Dura Ace shifters feature vivid indexing with a short stroke for quick accurate shifts with ergonomic hoods. The shifters are made from carbon and titanium and weigh 365 grams for the pair. Available in black with 170, 172 & 175 mm cranks. Bottom bracket not included with group set.