Mokka Tow Bar FlexFix Bike Carrier Extension for Extra 2 Bikes Genuine Vauxhall FlexFix System. If you yearn for weekends of active adventure, the Vauxhall FlexFix system is perfect for you. The sleek and elegant transportation accessory makes it that much easier to enjoy your favorite activities.Technical... Price: £288.71 (0) Quick view Add to cart Compare