ReString Sync - Reel 200m Gauge:1.30 The PowerSwing Resistance trainer is

The PowerSwing Resistance trainer is a tennis training tool that helps you improve your racket head speed

Flash is the go-to for frequent string breakers who don't want to sacrifice comfort for durability

allowing players to hit spin loaded shots

Vivo is ideal for players seeking precise

Around 50 applications

ReString Sync - Reel 200m Gauge:1.30 The PowerSwing Resistance trainer isIntroducing ReString Sync! The ultimate string for tennis players looking for maximum control and precision in their shots. With ReString Sync's superior string technology, experience optimal pocketing and longer lasting playability, giving you the power to dictate each shot with confidence. Upgrade your game with ReString Sync. 200 meters