Giant Power Pro Ultegra R8100 Power Meter

POWER FOR ALL Whether you ride road or gravel tracking power output for precise training metrics is essential. Giant’s all-new dual sided Power Pro power meter makes training with power more accessible to more riders everywhere and features built-in gyro sensors that help compensate for ground surge impacts occuring on uneven surfaces delivering clean and accurate data through an integrated system that’s precise reliable and simple to set up. Features 6 built-in axis gyro sensors inside both crank arm sensors provide vibration compensation by filtering ground surge impacts when riding on uneven surfaces Giant-exclusive algorithm and auto temperature calibration ensure precise and stable data output to +/-2 % accuracy free of environmental distractions Accelerometer allows magnet-free measurement High-capacity lithium battery delivers up to 100 hours of riding on a single charge IPX7 waterproof Integrated magnetic rechargeable design protects device from water and dust ingress LED indicator displays battery level and alerts recharge when power gets below 30% Bluetooth® Smart/ANT+ compatible for broad compatibility easy calibration and firmware updates. 2 year global warranty Standard crank lengths available in either 50/34t or 52/36t configuration Specifications   Weight: Left side 6 g; Right side 6 g   Size: Left 56*29*8mm / 2.2*1.1*0.3 inch (L*W*H)   Waterproof: IPX7   Power Range: 0 – 3000 watts   Cadence Range: 20 -200 rpm   Available: Shimano   Chainring Teeth: 50/34t or 52/36t   Available: Shimano Crank   Arm Length: 160mm / 165mm / 170mm / 172.5mm / 175mm   Connections: BLE/ANT+   Battery Type: Lithium-ion   Battery Run Time: 100 Hours   Battery Charge Time: 1 hr   Battery Life Indicator: Yes   Accuracy: ± 2%   Temperature Compensation: Yes   Vibration Compensation: Yes   Left/Right Balance: Yes   Pedaling Efficiency: Yes   Firmware: Giant Ridelink   Warranty: 2 years