The Cairn E-Adventure Rambler is an all-around gravel beast, but with versatility that the previous version didn’t offer. The Rambler - which is the most recent version of Cairn's popular e-gravel bike, the E-Adventure 1.0 - comes with upgraded frame geometry, a much sleeker look, and, in this case, a Campagnolo Ekar groupset. Cairn is part of The Rider Firm, which also owns