Surly Disc Trucker: The Ultimate Urban-Adventure Hybrid

Built for cyclists who demand rugged reliability from their daily commuter and transcontinental explorer, this redesigned steel touring machine combines Shimano precision with modular cargo engineering.

Core Advantages:
✓ All-Terrain Geometry – 80mm bottom bracket drop + 450mm chainstays provide stable load-carrying posture on pavement or gravel
✓ Triple Expansion Mount System – Reinforced fork blades accept three accessory mounts (future batches include corrected spoke holder spacing)
✓ Weatherproof Braking – TRP Spyre C hydraulic discs paired with 160mm rotors outperform rim brakes in rain/snow conditions
✓ Tubeless Freedom – Alex Adventurer 2 rims natively support 700x41c Surly ExtraTerrestrial tires (fenders included in spec)

Premium Build Components:
🔧 Frame/Fork: Double-butted 4130 Chromoly steel with ED corrosion coating
🚲 Drivetrain: Shimano Alivio M4000 SGS rear derailleur + Sora shifters (11-34t cassette)
🛠️ Customization Points: Front/rear rack braze-ons + hidden fender mounts + dynamo hub routing

Adventure-Specific Design:
▪️ 47mm tire clearance handles snow chains or fat-tire conversions
▪️ Modular cockpit supports handlebar bags up to 20L capacity
▪️ Weight distribution optimized for rear panniers (tested up to 75lbs payload)

Size Guide:
| Frame Size | Rider Height | Effective Top Tube |
|————|——————|——————–|
| 56cm | 5’8″ – 6’0″ | 575mm |
| 58cm | 5’10” – 6’3″ | 590mm |
| … | … | … |

Why Choose This Over Competitors?

Perfect for urban commuters needing weekend adventure capability or touring cyclists prioritizing low-maintenance steel construction over weight savings. Note initial production units require spoke replacement kits (available separately) due to QC-adjusted bracket spacing – corrected on all post-June ’24 builds.