Grand Prix 5000 AS TR Jammers The ergonomic neck support ensures

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

• Anti-chafe seams

and will not fit over 30 mm spindles

1⅛" and 1¼" headset standards

Bottom Bracket: Not included - GXP/PF/BB30/PF31

Grand Prix 5000 AS TR Jammers The ergonomic neck support ensuresThe 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