(TrendHunter.com) Virvolt, a French bicycle electrification company, announced the ‘Virvolt 900' e-bike conversion kit. This is a lightweight conversion kit developed in collaboration with Renault. This... (TrendHunter.com) Virvolt, a French bicycle electrification company, announced the ‘Virvolt 900' e-bike conversion kit. This is a lightweight conversion kit developed in collaboration with Renault. This...