Piper Whiplash TR XFast Wheels (4-Pack)

The Piper Whiplash TR is a two-component indoor training wheel featuring the same Helix race hub as the Whiplash Pro. It combines the Helix race hub with Piper’s Super Thane formula for excellent rebound, speed, and control.

• Helix race hub with RX9 glass stiffness rating (10/10)
• Super Thane formula for responsive rebound and speed
• X-Fast hardness
• Designed for indoor track training
• Sold as a 4-pack