4iiii Precision 2 Ultegra R8000 Dual Sided Powermeter is no longer available at Merlin Cycles. However you may find an alternative or updated product below.
4iiii Precision 2 Ultegra R8000 Dual Sided Powermeter
This item was discontinued 9th July 2026.
If you require help finding an alternative to this product please contact customer services.
Used to pace attacks up the Alpe D’Huez in the Tour de France and to hammer on the Queen K during the Ironman World Championships, the PRECISION PRO Powermeter delivers industry leading accuracy and reliability when you need it most. Through our patented 3D Strain Gauge technology, you can be assured that the data you depend on will help lead you to your own Yellow Jersey.
The PRECISION PRO will allow you to view advanced metrics like left/right balance, pedal smoothness, torque effectiveness, and provide you with the most accurate power numbers during training and racing. Ridden by the top cyclists and triathletes in the world, the PRECISION PRO is the ultimate training tool to help you reach your goals.
Features
- Dual Sider Powermeter
- ANT+ & Bluetooth Smart
- Accuracy - +/- 1%
- Left/Right Balance
- CR2032 Coin Cell Battery
- Battery Life - 100+ Hours
- Waterproof Rating - IPx7, IPx5
- Cadence Range - 30-150rpm
- Power Range - 0 - 4,000W