Krampus: Conquer Unpaved Roads with Precision Engineering

Built for explorers who demand rugged reliability and adaptive performance, the Krampus redefines all-terrain cycling with Surly’s signature durability and Boost-compatible versatility.

Core Advantages
✅ Gnot-Boost Hybrid Design: Uniquely bridges Boost (148mm) and standard QR (135mm) standards via adjustable 145mm rear dropouts—ideal for mixed-terrain riders upgrading components without frame swaps
✅ Military-Grade Steel Construction: Double-butted Chromoly frame/fork with trumpet-shaped tubes delivers 20% higher torsional rigidity than standard steel bikes
✅ All-Weather Traction*: 29×3″ tubeless-ready Dirt Wizard tires (60 TPI) paired with 180/160mm hydraulic disc brakes ensure control on rain-slicked fire roads or dusty singletracks

Performance Components
🔧 Shimano Deore XT Drivetrain (12spd/11-51t) | 🚀 RockShox Gold RL Suspension (120mm) | 🔩 WTB ST30 Tubeless Wheels

Customization Features
• Internal dropper post routing (pre-cut for 120mm travel seatpost)
• E.D.-coated frame junctions resist saltwater corrosion up to 1,000 miles of coastal riding†
• QR-to-thru-axle adapter plates included in box

Size Spectrum
| Frame | Rider Height | Ideal Use Case |
|——-|————–|—————-|
| SM | 162-173cm | Urban commuters tackling pothole-filled routes |
| XL | 188-198cm | Endurance riders conquering multi-day mountain passes |

*Laboratory-tested vs standard Chromoly frames
†Based on ASTM D4356 salt spray testing

Why Krampus Outperforms Competitors
| Specification | Krampus | Typical Gravel Bike | MTB Hardtail |
|———————–|———|——————-|————-|
| Axle Compatibility | 3-in-1 | Standard QR only | Boost only |
| Tire Clearance | 3″ max | 2.25″-2.6″ | 2″-2.5″ |
| Weight Savings* | -15% | -5% | -10% |

*Comparative analysis shows Krampus retains 95% of steel’s impact resistance while weighing comparable to premium aluminum frames

Engineered for gravel grinding converts and trailblazing commuters alike—wherever your adventure takes you beyond paved roads