Shimano Ultegra FC-R8100 2x12 172,5mm 52-36T Kurbelgarnitur

The ULTEGRA group has been expanded with a new FC-R8100 crank. With 12 speeds and a housing width of 68/70 mm, it is equipped with HOLLOWTECH II technology and compatible with a HG+ 12-speed chain. The chainring has a bolt circle of 110 mm and is made of aluminum, both the large and the small chainring. The crank is a 2-PIECE design and the chainline is 44.5.The range of use is tailored to road biking and the crank is available in lengths of 160, 165, 170, 172.5 and 175 mm, with chainring combinations of 52-36, 50-34Z and 46-36teeth. The crank offers the same fast and precise shifting performance and efficient power transmission as its predecessors, as well as a perfect balance between stiffness, stability and weight.