Surly Krampus Frameset - 29", Steel, First Loser, Medium FM5507

The Krampus is the bike that started it all — the plus-size movement that is. For 2017, the Krampus features Surly’s Gnot-Boost rear hub spacing of 145mm; compatible with Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle and 135mm quick-release hubs.