




Those traveling in a motorhome don't want to leave their bicycles behind. However, stowing the bikes in the limited storage space presents a challenge for many campers. Swiveling stems, like our innovative models of RocStem series, offer the perfect solution here.
Many modern bicycles – especially e-bikes and mountain bikes – have wide handlebars, which can be a problem when storing them in a car. Rear garages or on Rear carriers This can lead to real space problems. Often, only one of the following impractical or even... dangerous Workarounds:
The bicycles are standing slant in the garage or bumping against the side walls
The distance to the rear of the vehicle on the carrier must be increased – this has the following effect: Leverage effect negatively impacts axle load of the vehicle
Some drivers get the idea to Handlebars by loosening the stem to turn – that's not only cumbersome, but Extremely dangerous
Because: Anyone who regularly loosens the stem screws risks... Destruction of the aluminum threads. Steel screws in aluminum threads don't like that. In the worst case, this leads to... Safety issues during the journey.

Our RocStem AiO, Bend and the MAX variants were specifically developed for these requirements. With only one movement The handlebars can be conveniently swivelled to the side – No tools, no screws to loosen, no risk.
Space-saving storageBy swiveling the handlebars, the bicycle fits effortlessly into tight spaces. Rear garages
More space on the rear carrierNo handlebars hitting the rear wall – the wheels can be positioned closer to the vehicle.
Avoiding dangerous modificationsNo more screws needed on the stem – this protects the material and increases the Security
Ideal for rear garages: The RocStem MAX models They also reduce the height - ideal for low rear garages.
Assembly in minutesFits all common handlebar diameters (31.8 mm and 35 mm)
Especially when you're on the go, it counts reliability. Our extensions are Made in Germany, robustly constructed and tailored to the needs of discerning campers. With a RocStem stem Space problems are transformed into genuine comfort solutions – safe, stable and simply ingenious.

Those traveling in a motorhome don't want to leave their bicycles behind. However, stowing the bikes in the limited storage space presents a challenge for many campers. Swiveling stems, like our innovative models of RocStem series, offer the perfect solution here.
Many modern bicycles – especially e-bikes and mountain bikes – have wide handlebars, which can be a problem when storing them in a car. Rear garages or on Rear carriers This can lead to real space problems. Often, only one of the following impractical or even... dangerous Workarounds:
The bicycles are standing slant in the garage or bumping against the side walls
The distance to the rear of the vehicle on the carrier must be increased – this has the following effect: Leverage effect negatively impacts axle load of the vehicle
Some drivers get the idea to Handlebars by loosening the stem to turn – that's not only cumbersome, but Extremely dangerous
Because: Anyone who regularly loosens the stem screws risks... Destruction of the aluminum threads. Steel screws in aluminum threads don't like that. In the worst case, this leads to... Safety issues during the journey.

Our RocStem AiO, Bend and the MAX variants were specifically developed for these requirements. With only one movement The handlebars can be conveniently swivelled to the side – No tools, no screws to loosen, no risk.
Space-saving storageBy swiveling the handlebars, the bicycle fits effortlessly into tight spaces. Rear garages
More space on the rear carrierNo handlebars hitting the rear wall – the wheels can be positioned closer to the vehicle.
Avoiding dangerous modificationsNo more screws needed on the stem – this protects the material and increases the Security
Assembly in minutesFits all common handlebar diameters (31.8 mm and 35 mm)
Especially when you're on the go, it counts reliability. Our extensions are Made in Germany, robustly constructed and tailored to the needs of discerning campers. With a RocStem stem Space problems are transformed into genuine comfort solutions – safe, stable and simply ingenious.
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