The true feeling of riding free
Bicycle gear shifting reinvented
ratioX
A breakthrough for eBike riders, ratioX is a totally touchless, fully stepless automatic transmission for a smooth and comfortable ride. Focus on your journey and feel the freedom that comes from riding with confidence.
ratioX
A breakthrough for eBike riders, ratioX is a totally touchless, fully stepless automatic transmission for a smooth and comfortable ride. Focus on your journey and feel the freedom that comes from riding with confidence.
Experience the future of bicycle gear shifting
Totally touchless and fully stepless, the ratioX automatic eBike transmission will change the way you cycle forever.
A safer ride
Keep your focus on the road. The totally touchless mechanism means you can pay attention to what’s going on around you.
Everyday confidence
Ride more often, and enjoy your ride more. You’re always in the correct gear, whatever happens on the road.
Constant comfort
The stepless automatic transmission takes care of everything, for a smooth and comfortable journey every time.
Total control
The patented mechanism delivers power to the wheel at the optimal ratio for your pedal speed at every stage of your journey. You’re in control, all the time.
Swiss quality
Designed and assembled in Switzerland to rigorous quality standards for low maintenance and long-term daily use in all weathers and all conditions.
Easy integration
Precision aluminium components in a watertight, dustproof casing make ratioX robust without adding unnecessary weight to the bike.
Strong yet light
Precision aluminium components in a watertight, dustproof casing make ratioX robust without adding unnecessary weight to the bike.
Easy maintenance
There are no fluids in ratioX, so no topping up – and no leaks or stains. An annual service is all that’s needed to keep the mechanism in perfect condition.
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