The Specialized Dry-Tech Fender Set 42mm is an engineered fender set with extended research-based length for superior water protection. The fenders are made of a lightweight yet highly durable multi-material design while the set has also been engineered in our very own Win Tunnel in order to see how water comes off the tire at speed. This serves to improve protection and to minimize water spray.The fenders are available in three different sizes (35 45 and 52mm) and they're designed to work on bikes with 700C wheels—with or without Specialized Plug + Play frame mounting. For a finishing touch the fenders include heat-treated lightweight aluminium fender stays with stainless steel hardware ... More info