Jet black Fluid Hydro Gel Indoor Bike Trainer
Jet Black Fluid Hydro Gel Z1 trainer. In great condition. Worth $499 new. By far the best trainer I have owned. Fluid resistance trainers provide a more road-like feel than magnetic trainers and this feel is increased by a higher weight flywheel. The JetBlack Z1 Fluid has one of the heaviest flywheels on the market and has the longest run down time in its class. The proprietary fluid in the JetBlack Z1 increases resistance exponentially" the faster you spin the harder it gets. The JetBlack Hydr