GP5F reviewDouble D ring retention system - Multipoint VentilationUpdated: 19 Sep 2018 BrandCMSCategoryMopedEngine Capacity250ccPrice£159.00In This Article Previous Turbo review Next D409 review Subscribe to our NewsletterGet the latest motorcycling news, reviews, exclusives and promotions direct to your inboxFor more information, read our Privacy Policy Leave this field blank