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Surly Krampus Bike - 29" Steel First Loser Medium. The bike that started it all — the plus-size movement that is. 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. Rolling on 29 x 3” tires this bike can get you over just about anything you point it at.100% Surly Chromoly steel frame and fork; double-butted main triangle and 44mm headtube
The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 148 12mm thru-axle as well as 135mm with 10/12 washer
Internal dropper seatpost routing
E.D. coated for an added layer of internal frame protection
Clearance for 29 x 3" tires
- TECH SPECS
| Mfg Size | Medium |
| Defined Color | Silver |
| Rear Axle | 12mm Thru x 145mm |
| Wheel Size | 29+ |
| Frame Material | Steel |
| Frame Type | Rigid |
| Color | First Loser |
| Platform | Krampus |
| Front Axle | 15mm Thru x 110mm |
| TT (Effective) | 610 |
| Brake Type | Disc |
| Fork Material | Steel |
| Fork Type | Rigid |