High performance, 5 ply, all conditions road race Tubular equivalent of the popular GP4000 clincher, which works well on all road surfaces. Black Chili compound offers exceptionally low rolling resistance and light weight to ensure a fast and supple ride, with excellent feedback and grip GP4000 tread pattern offers sure footed control. Revolutionary Vectran single layer breaker belt offers improved puncture protection over the previous double layer nylon belt. Four fabric piles totalling 240 tpi plus the Vectran breaker belt. Seamless, stitch free construction means a more even fit and better rolling resistance. Handmade in Germany. Durable enough for training too. Weight: 270 grams.

• The Grand Prix 4000S II 700x23c is the reference tyre in the road bike market and has gone through numerous stages of evolution.
• Comes with Black Chili tread performance! Improved grip in poor riding conditions and increased puncture protection and greater comfort.
• The proven aspects of the 4000S II remain unchanged. VectranTM breaker for unsurpassed puncture protection
• BlackChili compound for low rolling resistance and sensational grip.
• Quality German made natural rubber tread, Tyre Comes In Original Packaging, Deutsche Technik