Every tenth
is won before the line.
Timing to the thousandth, section by section. Spot your weak points, perfect every section, and track your progress race after race — straight from your saddle, with no device to attach.
The app to pair your saddle and read your times.
25Hz GNSS
USB-C rechargeable
The only sensor you never forget to bring
Nothing to attach, nothing to charge at the gate
The chip and battery sit in a housing permanently fixed under the seat — the saddle you fit on your bike is already your sensor. Nothing to clip on, nothing to check before each moto.
Race telemetry, not fitness tracking
The same precision that powers your timing to the thousandth — speed, acceleration, cornering angle — measured to pinpoint every tenth gained or lost. Everything is shown in the RAD 4 BMX app, available on the App Store and Google Play, right after your moto or training session.
Coaching built in from day one
Adding a rider to your group instantly enables their tracking and the creation of their training programme — coach tracking isn't a separate add-on, it's built in.
You ride, the app shows you where you gained time.
Rider, coach, or both.
The rider pays for access to their own data. The coach pays for access to their riders' data. Two separate rights — everyone pays for what they use.
See detailed pricing🚴 Rider
Their telemetry data and session history. Nothing more, nothing less.
🏋️ Coach
Adds their riders, builds their training programmes, follows their progress.
From €14.99/month
Create my coach account →🚴+🏋️ Coach & Rider
Both hats, one account — their own data and their riders' data.
Your training and your races deserve real data.
Order your connected saddle and activate it on delivery to discover RAD 4 BMX.
Order my saddle