Honda CBR 600RR 2007-2015 Mupo Suspension AB1-EVO Rear Shock Absorber NewREF#A00HON007 *Important note: The spring preload adjuster is optional, not included. Message us with your order to add it. AB1 Evo. After years at the forefront of motorcycle racing, we decided to transfer all our know how by presenting the most technological version at its top range: the shock absorber AB1 Evo Factory, in the version used in the victorious season Superstock 1000 Fim Cup with the rider Leandro Tati Mercado (World Champion 2014). An