Grand Prix 5000 AS TR Jammers offer a crystal-clear view and

offer a crystal-clear view and are made to endure seasons of training

The ergonomic neck support ensures a fast and secure fit against the back of the head

Mixing two different strings together reduces friction temperature for a greater durability

Starting at the ball of the foot

Grand Prix 5000 AS TR Jammers offer a crystal-clear view andThe strongest Grand Prix 5000: creates trust in all weather conditions and boosts your protection. Tubeless ready. The AS TR tyre is designed to be used tubeless, although theres nothing stopping you running it with a tube should you want (or need) to. Its suitable for both hooked and hookless rims. The tyre features a visually similar tread on the shoulders to the S TR, albeit its said to be thickened slightly here to boost grip. The Continental