(TrendHunter.com) Vello launched the ‘Vello Sub,' a lightweight, foldable, utility-focused e-bike with a maximum range of 155 miles per charge. The bike is available in two frame materials, a lightweight... (TrendHunter.com) Vello launched the ‘Vello Sub,' a lightweight, foldable, utility-focused e-bike with a maximum range of 155 miles per charge. The bike is available in two frame materials, a lightweight...