Power meter
Shimano Ultegra R8100-P
The Ultegra version of Shimano's dual-sided crank power meter, with strain gauges in both arms and a rechargeable battery. It's offered in the same 50-34T and 52-36T pairings as the standard Ultegra crank, without the 54-40T of Dura-Ace.
Fitted to 6 builds across 3 bikes in the database.
Specs
- Type
- Crankset (strain gauges in both crank arms)
- Measurement
- Dual-sided
- Battery
- Integrated rechargeable Li-ion
- Weight
- 758 g26.7 oz
- Notes
- Claimed weight for 50-34T, 170 mm, without bottom bracket. Also sold without chainrings.
- Released
- 2021
Bikes that come with it
| Bike | Build | Price (MSRP) | Type |
|---|---|---|---|
| Corratec CCT EVO2027 | CCT Evo Pro Di2 | €6,699€6,699€6,699 | — |
| Corratec CCT EVO2027 | CCT Evo Pro Di2 | €6,699€6,699€6,699 | — |
| BH Aerolight2026 | Aerolight 8.0 | €8,000€8,000£7,300 | — |
| BH Aerolight2026 | Aerolight 8.0 | €8,000€8,000£7,300 | Integrated in crankset |
| Polygon Helios A2026 | Helios A8 Di2 Powermeter | €6,399$5,399€6,399 | — |
| Polygon Helios A2026 | Helios A8 Di2 Powermeter | €6,399$5,399€6,399 | — |