The Kurt Kinetic Heavyweight Dual Flywheel is the most versatile trainer in the industry. It comes with an attached 6 lb. flywheel AND an additional 12 lb. flywheel. The 12 lb. flywheel can be combined with the 6 lb. wheel for 18 lbs. of massively smooth ride. Go with 6 lbs. for super effective interval training. Change to 18 lbs. for the most realistic endurance ride EVER. This trainer is incredibly stable with over 540 square inches of base. The resistance unit is Kinetic's top-of-the-line fluid model from the Road Machine.
This package includes Sigma 1609 Cadence Cycling Computer. The sensor of this computer mounts to the rear wheel, so you will be able to monitor some important information. Functions include current speed, distance covered, elapsed time, and trip distance. The sensor will also pick up your cadence(RPM) from the crank which is essential for an effective and steady work out. Ther is an option for downloading your datat to either a PC or MAC computer. See details by clicking on the link below.

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For Bicycle use on and off-road as well as Indoor Training
Sigma 1609L Cadence Coputer
NOW $34.99
Features:

Includes attached 6 lb. and additional 12 lb. flywheels (total of 18 lbs.). Incredibly realistic ride. Great for resistance or endurance training.

60-second coast-down from 25 mph.

Lowest operating temperature in the industry. 80 cooling fins to dissipate heat.

Clamp and Lock Quick Release with lever lock secures bike easily.

Sealed fluid chamber with magnetically coupled driveshaft. Fluid training without the leaks.

Consistent resistance at multiple temperatures.

Unconditional lifetime warranty.

Lifetime crash replacement policy Features. Comes with a rear skewer.