The Satori is a unique Smart trainer. Patented measuring technology enables this manually controlled bike trainer to accurately measure speed, power & cadence. The resistance of this wheel-on trainer is changed manually with ten handlebar positions. Resistances ranges from 100 to 95 watts. The Satori is powered by two AA batteries meaning you can set it up anywhere batteries last Approx. a year. Able to connect to popular training apps like Zwift & Tacx. A 1.6kg flywheel ensures the best ride feel. Easy to fold up & store it even has a handle. Compatible with software such as Zwift, Trainer Road & Sufferfest. The Tacx utility app means that you can upgrade your firmware test & calibrate your trainer. Easy to connect your trainer to your bike computer or sports watch. FEATURES Type of trainer: Basic Smart trainer with magnetic brake Magnets: 1 Neodymium magnet Transmission: Roller, 30 mm Electrical requirements: 2x AA battery Power indicator: None Connection indicator: (ANT/BT) None Firmware upgradable: Yes Suitable bikes: Race, Tri & MTB, if necessary with axle skewer Suitable axles: Width of rear fork: Race 130 mm, MTB 13.5cm. Adapters for other widths available Supplied with: Front-wheel support, Quick release for road bikes & mountain bikes (5mm)