When you want the best its only natural to gravitate towards the Shimano brand. This Shimano ULTEGRA R8100-P dual-sided power meter has a reliable, integrated design. Being waterproof it brings all-weather reliability and is reliable for delivering precise information including left/right balance, cadence and much more.

Designed around the well-respected Hollowtech II technology with uniquely developed chainrings featuring Hollowglide construction, this power meter crankset ensures fast precise shifting whilst still maintaining the strength which results in better power transfer. This component is finished off with a rechargeable Li-ion battery, Bluetooth® LE and ANT+ connectivity, allowing this crankset to collect real-time precise and reliable power output data so you can track and analyse every detail of your ride to fine tune your training and racing program when you get home.

Specifications
Dual-sided power meter
Waterproof design for all-weather reliability
Hollowtech II technology
Rechargeable Li-ion battery
Bluetooth LE and ANT+ connectivity
Real-time precise and reliable power output data
Fast precise shifting
Series: Ultegra
Crank Length: 175mm,172.5mm,170mm,165mm
Compatibility: 2x12
Battery Life: 300H or longer
Waterproof: Yes

Mfr Claimed Weight
TBC