Belt Drive System has a double step-up drive giving users a smooth, quite exercise experience. A Poly-V belt is used instead of chain which means its quiet with less maintenance.
It also has durability built in. A magnetic, mo-contact generator system provides consistent resistance and reduces the roughness, maintenance, and wear associated with mechanical alternators.
12 Built [...]

Precor 846i Recumbent
Belt Drive System has a double step-up drive giving users a smooth, quite exercise experience. A Poly-V belt is used instead of chain which means its quiet with less maintenance.
It also has durability built in. A magnetic, mo-contact generator system provides consistent resistance and reduces the roughness, maintenance, and wear associated with mechanical [...]

Buy the Precor C846i Upright Bike or Precor Upright 846 i Bike, it is a smooth, quiet, commercial bike grade bike. From OneShotFitness.com at 1-888-348-6728, Call For Sale Price.

Precor C846i recumbent bike features belt drive system with a double step-up drive which gives users a smooth, quiet exercise experience.