Ventura Astro 32L Topbox Kit - Kawasaki Vulcan S 650 (All Models) 15-25Ventura Astro 32L Topbox Kit Kawasaki Vulcan S 650 (All Modles) 15 25 ASTRO 32 litre Top Box kits are the first hard motorcycle luggage from Ventura. The designers and engineers at Ventura have continued the Ventura phylosophy of the Bike Pack system, for the first time offering a lockable hard luggage system that helps with mass centralisation by carrying the load as close to the centre of the bike as possible. Especially when riding solo as it can