RadlBock
Standing efforts, sprints, real riding feel – even indoors. Handcrafted rocker plate for road and mountain bikes.
Reserve now
Standing efforts, sprints, real riding feel – even indoors. Handcrafted rocker plate for road and mountain bikes.
Reserve nowRadlBock is a handcrafted rocker plate that sits between your bike and indoor trainer, so indoor riding feels like riding again.
Works with both road bikes and mountain bikes, currently built for the Wahoo Kickr Core – adaptations for other popular trainers are planned.
Why multiplex wood for the base plates instead of a seemingly cheaper alternative? MDF or particle board look attractive at first, but visibly give way after a few weeks of repeated point-load stress and deform permanently. Multiplex wood stays dimensionally stable and holds up to repeated load for years.
The complete build plan as a PDF – measurements, cutting plans, assembly instructions, and a shopping list for balls, damping elements, and screws. You source the wood and all parts yourself.
Price: To be announced before the official launch.
Build plan plus a hardware kit (fasteners, spacer blocks, damping elements, balls) for self-assembly.
Assembly requires basic woodworking skill – please don't underestimate the effort involved. A step-by-step build guide is included.
Price: To be announced before the official launch.
Base plates hand-cut, rounded, and sanded – you assemble RadlBock yourself from finished parts in just a few steps.
Price: To be announced before the official launch.
Alongside RadlBock itself, individual training sessions are available for download for icTrainer – the software you play your workouts in.
Instead of individual files, I'm planning target-group-specific packages – several coordinated sessions for a concrete goal, assembled from my existing training library.
These packages are illustrative examples – the final lineup, content, and prices aren't set yet.
A balanced mix of FTP building/threshold, anaerobic sessions, base endurance, tempo, and recovery – for road cycling and general training.
A smaller, curated selection from the Basic package for MTB-specific needs, plus strength and torque-focused sessions to prepare for uphill trail riding.
Several Functional Threshold Performance (FTP) test protocols for different experience levels and time budgets – from short tests to the classic 20-minute test.
Recovery and base endurance – joint-friendly training to complement your running volume, without extra impact load.
Checkboxes above add your interest directly to your sign-up below – no need to pick a RadlBock model first.
RadlBock is currently designed for the Wahoo Kickr Core. Adaptations for other popular smart trainers (Tacx, Elite, other Wahoo models) are planned – feel free to tell us which trainer you use in the form below.
The build plan (PDF) includes measurements, cutting plans, assembly instructions, and a shopping list. No physical parts are included – you source wood, balls, damping elements, and screws yourself using the list. Cutting the wood requires a full workshop setup. If you'd rather not source and cut everything yourself, the Kit or Founder's Edition is a better fit.
Included are the build plan, mounting hardware (incl. countersunk screws), damping elements, gymnastics balls, a pump, and a pressure gauge. You source and cut the two multiplex-wood base plates yourself – that's what keeps shipping small, light, and possible worldwide.
The kit needs basic comfort with a cordless drill, a saw, and sandpaper. The plans add the full wood-cutting step on top of that – don't underestimate the effort. If you're unsure, the Founder's Edition is the alternative with no assembly required.
[PLACEHOLDER – a reliable estimate will follow after the first test builds.]
[PLACEHOLDER – support/return process to be defined before the official launch.]
I built RadlBock because as a new father I needed short windows of time for training, and conventional indoor training just never felt like cycling. Since then, my sit bones no longer carry the full load, and standing efforts and sprints feel like movement again instead of hitting a rigid stop.
I grew up on a bike – road, mountain, just being outside. Moving to the city for work
didn't leave much of that: no time, no green space at my doorstep for long rides.
Then COVID hit and I was stuck inside for good – on my brother's old, non-smart stationary
trainer. Loud, uncomfortable, never felt like cycling. The rocker-plate idea was there, but
it stalled: no budget for a finished one, no time or tools to build one myself. It never
really let go of me, though.
The turning point came when I became a father. I needed something that fit between naps or
late at night once the baby was asleep – short windows I wanted to actually use, without
driving anywhere first. So I built RadlBock.
Since then, my sit bones no longer carry the full load, and standing efforts and sprints
feel like movement again instead of hitting a rigid stop – and I'm still refining the
details.
What started as a build project has become more than just a platform: I now plan my season
and weekly sessions ahead of time, build my own workouts, and ride them in icTrainer.
RadlBock became the foundation for the whole system – not just the furniture, but the
reason I actually enjoy riding indoors again.
If you've ever cut a session short because your sit bones or back gave out before your
legs did – that's exactly what RadlBock is for.
With conventional indoor training, the bike is rigidly connected to the trainer and the floor. Every movement and power peak is transferred directly to the rider and the bike. RadlBock changes exactly that:
For runners, RadlBock is a way to increase weekly training volume without adding extra load on tendons, ligaments, and bones – these adapt more slowly than muscle and cardiovascular fitness do. That means more volume without raising injury risk from ramping up load too quickly.
RadlBock is deliberately built in small batches, not for the mass market – with materials that last, not the cheapest supplier.
RadlBock is currently in the development phase. Reserve your spot below – for a model, for training plans, or both. You'll get a free icTrainer workout plus early access to the first limited series.
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