





In this video, I'll show you our ICR cable routing system – the smart solution for full stem movement. Even on bikes with cable routing through the headset, everything remains clear and neatly organized...
On many modern bikes, the cables run through the headset. In this video, we show our ICR cable routing solution, which ensures the handlebars remain freely movable.
Here you'll learn how to secure the RocStem's tension lever against twisting on its own...
Welcome to Rocker Parts, the developer of the innovative, pivoting RocStem AiO and RocStem Bend bicycle stems. Here you'll experience not only a revolution in the adjustability of your bike, but also...
With a swiveling stem, you can rotate your handlebars in seconds – without tools. This makes your bike up to two-thirds narrower, allowing it to fit into tight parking spaces, camper vans, or crowded bike cellars. Thanks to our FlatFit system, the handlebar height remains virtually unchanged.
Welcome to Rocker Parts, the developer of the innovative, pivoting RocStem AiO and RocStem Bend bicycle stems. Here you'll experience not only a revolution in the adjustability of your bike, but also...
Die Rocker Parts GmbH hat den schwenkbaren Fahrradvorbau RocStem nach der aktuellen DIN EN ISO 4210-5:2023 prüfen lassen. Mit der Prüfung werden künftig...
Discover the true value of function, quality, and everyday usability. A stem is an inconspicuous component – until it makes all the difference...
Our stems are thoughtfully designed, made from high-quality materials, and safety-tested. But as with any high-quality component...
Anyone who transports their bicycle or wants to store it in a space-saving way knows the problem: the handlebars are always in the way. Whether in the car, in the hallway, or in the rear garage of a motorhome – the wide handlebars...