Take control of your day with the versatility and performance of Road Bike 2x11 Speed Crankset 170/172.5MM Crank 50-34T 52-36T Chainring 22S Hollow Double Sprockets with for FC-R7000 R800 R9100. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.