Shimano s entry level 11-speed groupset has had a full makeover and the biggest change is the redesign of the chainset. Shimano 105 now resembles its bigger and better siblings, Ultegra and Dura-Ace with broader, stiffer crank arms.Material: Crank Arms, Chainrings: Aluminium; Axle: SteelWeight: 716gBolt Circle Diameter: 110mmIncreased Stiffness & Chain ClearanceThe new Shimano 105 R7000 chainset offers the perfect balance between weight, power-transfer, stiffness and comfort at a price that wont break the bank! Utilising a HollowTech II construction and an updated profile, this chainset increases stiffness throughout the pedal stroke for optimum power transfer, while the large chain clearance ensures a smooth, silent ride. Available in various crank lengths and gear ratios the R700 chainset is the perfect choice for any rider who is looking to move to 11-speed.