Elite CRONO PRIMO FLUID WIRELESS ELASTOGEL BIKE TRAINER BICYCLE RESISTANCE FREE SHIPPING! Unique design base, 45mm Elastogel roller. Elastogel reduces tire wear and noise level. 15 Function computer includes current power, current speed, slope, distance, time, average speed indicator, average power, average slope, max power, max speed, elevation gain, total time, total distance and low battery indicator. SKU