This Shimano 105/Ultegra 11 Speed Road Racing Bike Parts Bundle is perfect for those looking for high-quality parts for their bike. The bundle includes a rear derailleur, 170mm crankset, RIGHT 11 speed shifter, both front and rear brake callipers and front derailleur, all made by Shimano. These parts are compatible with both road bikes and racing bikes and are ideal for anyone looking to upgrade their bike’s performance. The bundle is classified as a build kit/gruppo and falls under the categories of sporting goods, cycling, and bike components & parts. There is still plenty of life left in all the components, there is NO LEFT shifter, bottom bracket or cassette.