What is the warranty policy for the 11Ah and 17.5Ah models? June 20, 2019 16:38 Updated Follow For the 11Ah and 17.5Ah models we offer a 3-2-1 warranty. For specific details regarding this warranty policy please check out our warranty page. Related articles Can I ship my bike to a bike shop for assembly? What is the warranty policy on all 14Ah Bike models? Comments 0 comments Please sign in to leave a comment.