The advanced software used in Silva's new In-line Skate Speedometer is the key to its performance, making it the only product on the market to measure accurately the speed and distance of an in-line skater. The replacement of just one regular wheel from a single in-line skate with the Silva wheel and puck is all that's needed; the speed and distance transmits to the digital receiver watch. Long-lasting, durable wheel (available in 5 sizes) and 300+ hour battery life means trouble-free use that won't slow you down!

Wristwatch-style speedometer designed for professional inline skaters

Special wireless transmitter replaces existing skate wheel

Measures speed (mph or kph), distance, max speed, pace, and more

Includes wireless heart rate monitor for gauging optimal workout conditions

300-plus-hour battery life; built-in stopwatch; 1-year warranty