Cannondale Cypher helmet sizes 0 Comments Cannondale’s Cypher helmet is offered in two sizes. The Small/Medium size is listed as 52cm – 58cm. The Large/Extra Large is listed as 58cm – 62cm. Posted in:Misc. AnswersTagged with:CypherHelmet See more Prev:Headset crown race for Cannondale EVO, CAAD12, CAAD10, Super X, 2014+ Synapse Carbon Back: All Posts Next:What headsets fit a Cannondale Raven? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ