Feels like floating
A little up-and-down compliance makes the trainer feel less rigid while keeping your setup supported.
Stable, controlled up-and-down movement for long indoor rides. Start with White · Extra Firm; explore more compliance with optional Motion Ball Sets.
30-day return policyTest the complete setup at home.
Designed in GermanyTrainer-specific, compact and serviceable.
Installs in minutesNo permanent modification to your trainer.
A little up-and-down compliance makes the trainer feel less rigid while keeping your setup supported.
White · Extra Firm is your standard setup. Optional Motion Ball Sets let you explore a softer response.
Trainer-specific modules. No full-size platform.
“Took a few minutes to get used to, but now I don’t want to ride without it.”
In our lab test, the two marked rear pressure readings with ROCKERON were 41.9% and 43.4% lower than with the original setup without a system.
One rider, Wahoo KICKR CORE 2 with Zwift Ride. These are two local rear readings, not a measurement of total saddle load or a guaranteed result.
Test conducted with Cyclefit Lab Hamburg ↗
Read the full test report
Drag the slider to compare the pressure maps.
A stable, controlled starting point for long, seated indoor rides.
A firmer centre with softer edges for a rolling response.
Firm white balls at the ends for a more supported feel.
Check installation, delivery and returns before ordering. Your trainer choice determines the rear modules; both front adapters are included.
Place the ROCKERON modules at the specified trainer contact points, fit the matching front support, insert the recommended starting balls and check stability before riding.
Open installation guide →Clear material information and a short pre-ride routine protect the system and the rider.
3D-printed PLA · black. Minor visual variations may occur as a natural result of additive manufacturing.
ROCKERON is not a toy and is not suitable for children under 14. Always use the system on a flat, stable surface and check every component before every ride. Follow the installation guide before first use.
Keep contact surfaces clean and dry. Inspect printed parts and Motion Balls regularly, and replace components showing damage or unusual deformation.
Free shipping worldwide. Immediate dispatch. Import duties, taxes and carrier fees may apply outside the EU. See our 30-day return policy for conditions and return costs.
You selected: Wahoo KICKR CORE (v1) / ROCKERON
Wahoo KICKR CORE (v1) and KICKR CORE 2 require different ROCKERON modules. Please make sure you selected the correct trainer generation.
You selected: Wahoo KICKR CORE (v1) / ROCKERON + 3 Motion Ball Sets
Wahoo KICKR CORE (v1) and KICKR CORE 2 require different ROCKERON modules. Please make sure you selected the correct trainer generation.
You selected: Wahoo KICKR CORE 2 / ROCKERON
Wahoo KICKR CORE (v1) and KICKR CORE 2 require different ROCKERON modules. Please make sure you selected the correct trainer generation.
You selected: Wahoo KICKR CORE 2 / ROCKERON + 3 Motion Ball Sets
Wahoo KICKR CORE (v1) and KICKR CORE 2 require different ROCKERON modules. Please make sure you selected the correct trainer generation.
You selected: Van Rysel D100 / ROCKERON
This ROCKERON kit is made for the Van Rysel D100. Is that your trainer?
You selected: Van Rysel D100 / ROCKERON + 3 Motion Ball Sets
This ROCKERON kit is made for the Van Rysel D100. Is that your trainer?
You selected: Van Rysel D500 / ROCKERON
Earlier Van Rysel D500 versions are not supported. Please confirm that you have the current supported D500 version.
You selected: Van Rysel D500 / ROCKERON + 3 Motion Ball Sets
Earlier Van Rysel D500 versions are not supported. Please confirm that you have the current supported D500 version.

Rear modules shaped for Wahoo KICKR CORE 2 / ROCKERON with secure support at the intended contact points.
Front support for a conventional bicycle front wheel.
Matching front support for Zwift Ride.
Every complete ROCKERON system includes 18 White · Extra Firm Motion Balls. Add the three optional 18-ball sets for the full tuning range.
Motion Ball setups help you prepare the next ride.
Smart trainer and bicycle are shown for context and are not included.