Resistance Unit for current Saris and older CycleOps trainers.
- Can be used to replace your current resistance unit or to upgrade your trainer
- Mag Resistance Unit provides linear, magnetic resistance with 5 adjustable levels of resistance
- Fluid2 Resistance Unit provides progressive, fluid resistance that is a progressive resistance providing a quiet and consistent ride
- Must have a Classic Series frame to use these resistance units
- Not compatible with Pro Series trainers
- Jetfluid Pro
- Powerbeam Pro
