Less rigid. More room for long rides.

Trainer-specific modules on tunable Motion Balls. Small movements for a less rigid indoor ride.

ROCKERON for Wahoo KICKR CORE 2: trainer modules, both front adapters and Motion Ball set. Smart trainer not included.

Your trainer: Wahoo KICKR CORE 2Change

Choose your smart trainer

Wahoo KICKR CORE (v1) Wahoo KICKR CORE 2 Van Rysel D100 Van Rysel D500

Your trainer isn’t listed?

Trainer modules · both front adapters
Full Motion Ball set · all 4 firmness levelsSmart trainer not included.

Your setup €299,99 EUR

30-day return policyTest the complete setup at home.

Designed in GermanyTrainer-specific, compact and serviceable.

Installs in minutesNo permanent modification to your trainer.

Small changes. A different ride feel.

Move with your ride

Small weight shifts become movement, instead of meeting a rigid support.

Tune the response

Change ball type and position to tune the response between rides.

Keep it compact

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.”

LaurenROCKERON for Van Rysel D100 / D500 · Zwift Ride

More rider reviews

42% lower rear pressure readings

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.

Rear left: −41.9 %983 → 571 mbar
Rear right: −43.4 %793 → 449 mbar

Read the full test report

Zwift Ride saddle pressure map without a movement system: rear readings of 983 and 793 mbar, front reading of 118 mbar.

Zwift Ride saddle pressure map with ROCKERON: rear readings of 571 and 449 mbar, front reading of 144 mbar.

Pressure-map comparison position

Drag the slider to compare the pressure maps.

Change the balls. Change the ride

Start here · Setup 001

First Setup

A balanced starting point to get to know your ROCKERON.

Position 1: Yellow
Position 2: Green
Position 3: Yellow
Position 4: Yellow
Position 5: Yellow
Position 6: Yellow
Position 7: Green
Position 8: Yellow

Position 9: Yellow
Position 10: Green
Position 11: Yellow
Position 12: Yellow
Position 13: Green
Position 14: Yellow

Setup 003

Climb – Rolling

A firmer centre with softer edges for a rolling response.

Position 1: Orange
Position 2: Green
Position 3: Yellow
Position 4: White
Position 5: White
Position 6: Yellow
Position 7: Green
Position 8: Orange

Position 9: Green
Position 10: Yellow
Position 11: White
Position 12: White
Position 13: Yellow
Position 14: Green

Setup 005

Sprint – Power

Firm white balls at the ends for a more supported feel.

Position 1: White
Position 2: White
Position 3: Empty
Position 4: Empty
Position 5: Empty
Position 6: Empty
Position 7: White
Position 8: White

Position 9: White
Position 10: White
Position 11: Empty
Position 12: Empty
Position 13: White
Position 14: White

View all Pain Cave setups →

Check the fit before you ride.

Check installation, delivery and returns before ordering. Your trainer choice determines the rear modules; both front adapters are included.

Installation and first ride

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 →

Materials, care & safety

Clear material information and a short pre-ride routine protect the system and the rider.

PLA

Material and finish

3D-printed PLA · black. Minor visual variations may occur as a natural result of additive manufacturing.

14+

Use and safety

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.

Materials and care

Keep contact surfaces clean and dry. Inspect printed parts and Motion Balls regularly, and replace components showing damage or unusual deformation.

Shipping, returns and support

Read the return policy

Free shipping worldwide. Dispatch may take up to 14 calendar days, plus transit time. Import duties, taxes and carrier fees may apply outside the EU. See our 30-day return policy for conditions and return costs.

Everything matched to this exact setup.

Trainer-specific ROCKERON modules

Rear modules shaped for Wahoo KICKR CORE 2 with secure support at the intended contact points.

Standard Bike front support

Front support for a conventional bicycle front wheel.

Zwift Ride front support

Matching front support for Zwift Ride.

Motion Ball Set

The selected ball library plus a starting configuration for this product.

Pain Cave access

Motion Ball setups help you prepare the next ride.

Smart trainer and bicycle are shown for context and are not included.