Shimano Ultegra FC-R8100 Power Meter Crankset Size:52-36 170mm 7 mm bent internal —

7 mm bent internal — opens from 21mm down to 2mm (center to center)

each boasting up to 18 functions

more relaxed

Shimano Fc-Rs520 Chainring 50T Nk for 50-34T

Shimano Ultegra FC-R8100 Power Meter Crankset Size:52-36 170mm 7 mm bent internal —The ULTEGRA FC R8100 P power meter crank offers the full range of functions and the same precision as its DURA ACE counterpart, but at a more attractive price. Training under scientific conditions requires precise measurements, but also user friendliness. The new ULTEGRA R8100 power meter crank excels in both. The dual sided measurement is accurate to within 1. 5%, and zero calibration can be performed quickly and easily. Perhaps most importantly, it