. A mount that allows you to securely attach two Exposure lights to your helmet for the ultimate level of visibility Compatibility. The Twin Helmet Mount can be used with the following Exposure lights:TraceTraceRFlashFlareFeatures. Connects two lights to your helmet at onceCompatible with Exposure lights onlyIncludes long and short connecting boltsBuy Exposure Accessories from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.