NEW Surly Krampus Frameset - 29", Steel, British Racing Green variant-size-s standard track cog available in

standard track cog available in the most popular sizes

Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options

Cassette Cogs: 13-14-15-16-17-18-19-21-23-26

The smaller left arm chassis design provides maximum bike compatibility

NEW Surly Krampus Frameset - 29", Steel, British Racing Green variant-size-s standard track cog available inThe Krampus is the bike that started it all the plus size movement that is. The Krampus features Surlys 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. 100% Surly 4130 CroMoly steel frame and fork; double butted main triangle and 44mm headtube New tube set uses the same trumpet tubes found on 2017 Karate Monkey frame Gnot Boost adjustable rear dropouts Internal