Rotor 2Inpower MTB CranksetRevolutionise your off-road training with a highly precise and reliable MTB crankset with integrated power measurement. Whether you're competing, training or wanting to take your riding performance to an all-time high, this state-of-that-art model offers some of the most advanced recording technologies possible. Easily pair to your smartphone or cycling device via Bluetooth Smart or ANT+ and export your data for training analysis with platforms such as TrainingPeaks.com.Boost your pedal stroke performance thanks to its higher data sampling rates which are achieved by recording power via 4 sets of opposing gauges. Both your left and right legs are measured independently to provide accurate data about your pedal stroke balance, power output, cadence and torque effectiveness. You'll be able to see exactly where you need to up your game in terms of essential improvements thanks to the dual leg measurement showing the individual performance in each of your legs.Dual-Sided MTB Power Meter CranksDirect mountable, this stunning model includes a spline interface between your crank arm and chainrings for superior stiffness and direct transfer of your pedalling torque. With a user-friendly setup and straight-forward calibration with a rechargeable battery life of up to 250 hours which can easily be charged via a magnetic connector, this is the ultimate choice of power meter crankset for pushing your road cycling performance to the top. This top-notch model is a powerful tool for measuring your unique pedalling biomechanics via the Rotor Power application. You can access real-time performance information including proprietary metric Torque 360, Optimum Chainring Angle (OCA) and a recommendation of your Optimal Chainring Position (OCP).Features: Material: 7050 Aluminium Intended Use: MTB Type: Direct Mount Wireless Compatibility: ANT+ and Bluetooth Recommended Bottom Bracket: BB30, Pressfit 30, BSA, BB89, BB92 Axle Size: 30mm Lengths Available: 165, 170, 175mm Chainline: 52mm boost Q Factor: 169.5mm Dual-sided power meter Strain Gauges: 4 inside the axle and 4 inside the right crank arm Data Transfer: Power, cadence, balance, torque effectiveness and pedal smoothness for each leg. Via Standard ANT+. L/R separate or combined pedal stroke analysis via Optimum Chainring Angle (OCA) and TORQUE 360 Weight: 695g (170mm model approx)Buy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.