QUANTUM
Quantum is an evolution of wireless gear shifting. You are no longer trapped in the expensive ecosystems of existing systems. Now you have the freedom to apply wireless shifting to any rear derailleur in just a few minutes, and at a very economical cost. Quantum is fully programmable for any number of speeds. Weighing about 50 grams, it is the lightest shifting system available. We have a wide range of adapters that will allow you to mount Quantum directly to a rear derailleur, or frame mount.

Flexible and open. Can be programmed for any speeds. Convert any derailleur

Lightweight. About 50 grams

Fast. Typical shifting time is 150 milliseconds

Long battery life. Up to 10,000 shifts per charge
Fully configurable

Rechargeable battery
Small and lightweight. Small enough to carry a spare in your pocket

Modular
Choose an adapter to attach to any derailleur or frame mount

Easy installation
Install on any derailleur and program in just a few minutes
Specs
SPEEDS
2-32
Compatibility
Any Derailleur
WEIGHT
50 grams
Battery
Rechargeable lithium polymer, 600mAh
in the box
- Quantum Servo
- 1 rechargeable battery
- Ultra-flexible cable
- ** Adapter and charger sold separately