BLDC-MOTOR?The BLDC motor in the T2 along with the 50 high-performance neodymium iron boron magnets enables the T2 to bring you a more realistic riding experience. 1%Accuracy?Without the traditional belt transmission, and thanks to the innovative BLDC power measurement algorithm and rigorous production calibration process, T2 can provide incredible precision of power data within 1% accuracy. Unplugged?An external power source is not required to use the T2, you can use the trainer anywhere you like as the T2 is able to generate its own energy from your pedal strokes. Quiet Ride?Only the chain sound is heard during cycling. Compatible with App?The T2 Smart Trainer uses standardized wireless communication protocols including ANT+ FE-C and Bluetooth FTMS, it can be used in conjunction with the most popular training apps like Zwift?TrainerRoad to provide the best indoor training experience. Type Smart direct-drive bike trainer Structure Foldable X-shape Dimension(expanded) 520 * 699 * 510 mm Dimension(folded) 300 * 257 * 510 mm Net Weight 15.2kg (with cassette sprocket) Electrical Requirement 48V/1.25A(Unplugged mode supported) Max power 2200W Magnet 50 neodymium magnets + 45 sets of electromagnets Power output(40km/h) 1600W Accuracy ±1% Calibration No calibration needed Max incline 15% Simulation of descent ? (Plugged mode only) Max torque 60N.m Max brake force 176N Wireless communication Bluetooth FTMS & ANT+FE-C