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

Apply one (1) drop of SILCA Chain Stripper to each roller of the chain while backpedaling

and will not fit over 30 mm spindles

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