Nerd Belt NB600 Parts-Drivetrain & Brakes-Derailleurs-Parts Three-point Velcro© strap attachment

Three-point Velcro© strap attachment

and Ultegra 6870 Di2 systems

These parts of the color spectrum are blocked by the Nordic Light lens

Condition: outdoor

We love it for: cold weather running in the rain

Nerd Belt NB600 Parts-Drivetrain & Brakes-Derailleurs-Parts Three-point Velcro© strap attachmentTalk nerdy to me The original nerd belt, now supersized, is light weight and comfortable, holds your race bib, 300ml bottles and won't bounce around regardless of your pace! Perfect for long runs, marathons and Ironmans. Nerd belts are your new hands free way to carry fluids and nutrition during racing or training for a faster performance and recovery. Belt: UNISEX Adjustable strap to fit nerds big and small Race bib holder Minimal bounce at all paces