An improved lighter version of the Mavic Win-Tech™ Wireless Computer this new digital wireless computer uses an exclusive Mavic encoded digital transmission called Win-Tech™ that is simple light and invisible. No cables no fuss no interference. Receives up to 9 stats that you can plug and play on any bike. Easy to install and maintain. Mavic composite skewer with high closure ratio. Speed sensor integrated in the skewer. Delivered with battery and wheel magnet. 69 grams.