Robert Kühnen
· 06.11.2025
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The RCR is presumably manufactured by Magene, a Chinese manufacturer and supplier that also sells the trainer itself under the model name T600 - although not on the European market. The trainer has a motor brake with a small flywheel mass that is directly connected to the drive, comparable to Tacx. This keeps the speed in check and therefore also the background noise; only the chain drive can be heard.
Furthermore, there is no belt in play that could wear out. The inertia of the ride is simulated by the motor. The driving feel is nevertheless very natural, the control software does a very good job and bites hard when necessary. There are no unpleasant experiences during freewheeling, it rolls smoothly except for transmission dropouts via the ANT+ connection.
The connection is stable via Bluetooth; alternatively, an Ethernet cable connection is also available for faster control in competition mode. In ergometer mode, the device regulates safely without the brake overshooting.
At higher power levels (350 watts), the trainer takes eight seconds to adjust the power, but then maintains it precisely. The accuracy in comparison with a crank power meter is within the specified range of plus/minus one per cent. The power meter always shows a few watts more, which is logical because of the losses in the chain.
A Zwift Cog is fitted ex works, a virtual 24-speed drivetrain with two control units on the handlebars. The virtual gear system offers a very wide range and works in Zwift and Rouvy. Alternatively, normal sprockets can be fitted, a rotor is included. Decathlon offers the RCR at a very attractive price. The device is electrically and mechanically excellent, requires little storage space, is easy to carry and also works without mains power.