The Wahoo ELEMNT ROAM Two Bolt Out Front Mount is an integrated mount for the ELEMNT ROAM GPS Bike Computer, made of durable and lightweight plastic. It also comes with an optional locking screw that is UCI compliant for connecting your ELEMENT ROAM to your bike for weigh-ins.Wahoo ELEMNT ROAM Two Bolt Out Front Mount FeaturesCompatible with integrated handlebars with two underside mounted M4 or M5 bolts between between 0.70 inches (17.75mm) and 2.00 inches (50.88mm). For M4 bolts use the included washers.Works exclusively with ELEMNT ROAMScrews not includedM4 or M5 Mounting Bolts not included