Motion Pro Sprocket Jammer 1.5 improved ventilation will keep you

improved ventilation will keep you cooler and it works with or without a Leatt Neck Brace

Ultra-ventilated with ram air plenum directing heat build-up away from the chest

Featuring specific padded laptop and tablet compartments

Highly ventilated perforated padding for optimized ventilation and airflow

Motion Pro Sprocket Jammer 1.5 improved ventilation will keep youPrevents rotation of chain and sprockets for easy removal or installation of counter shaft nut Can be used to pull rear wheel against chain blocks when tightening rear axle CNC billet aluminium construction Blue anodize and laser etching for easy identification Made in the USA