Alpinestars Race v3 Underwear Bottom - Black 1000-1 Doug Thorley Tri Y Header

Doug Thorley Tri Y Header

Perfect for short course and road racing with 16 channel capacity

Like its predecessor

Includes Tensioner Arms/Chain Guides/Crank Position Trigger Wheel

Alpinestars Race v3 Underwear Bottom - Black 1000-1 Doug Thorley Tri Y HeaderRace v3 Series Tech Base Layer Lightweight and offering high breathability and flame resistance properties, the Race v3 Series Formula 1 specification tech base layer incorporates a relaxed fit for comfort when wearing under a driving suit. Construction Soft touch textile for feel and enhanced comfort. Lenzing FR material is a natural viscose fiber with unique thermal insulation and flame resistance properties that help prevent heat stress. Protection