Nerd Belt NBracer & 200ml Flask Running Hydration For Presta valve use

For Presta valve use

Optional thru-axle adapter available for 142x12mm and 148x12mm bikes

the Core Tri 8 Inch Shorts ensures nothing will hold you back at your next race

Full length semi-auto lock zip

Shimano's Di2 E-Tube system provides unmatched shift performance

Nerd Belt NBracer & 200ml Flask Running Hydration For Presta valve useThe NBracer and 200ml soft flask by nerd belt is a running belt built for training and races of all distances and paces, with zero bounce on your hips. Keep your race bib secure, 200ml soft running flask and up to 1012 gels, phone, and keys securely in one spot. Perfect for your next training session, half or full marathon, or Ironman 70. 3. BEST SUITED FOR: All distances, all paces NO BOUNCE Half Marathon Marathon Ironman 70. 3 Belt specifications: