Light Exposure Twin Helmet MNT for Flash/Flare Trace/Tracer The Twin Helmet Mount can be used with the following Exposure it allows you to securely attach two Exposure lights to your helmet for the ultimate level of visibility Compatibility it connects two lights to your helmet at onceCompatible with Exposure lights onlyIncludes long and short connecting boltsBuy Exposure Accessories from Chain Reaction Cycles. product compatability: Trace, TraceR, Flash, Flare