Shimano Ultegra FC-R8100 Power Meter Crankset Size:52-36 172.5mm Internal width: 25 mm

Internal width: 25 mm

They offer significantly increased airflow rate and a removable core for easy sealant access

putting their hands in the right place every time

highly visible rear taillight combined with advanced Ai Alert technology

The Spino 5" training short offers moisture and odor control with a comfort liner constructed from our ultralight aloe four-way stretch fabric

Shimano Ultegra FC-R8100 Power Meter Crankset Size:52-36 172.5mm Internal width: 25 mmThe 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