GIANT Power Pro Ultegra R8100 crankset with power meter

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. - 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 Ride link