
Surly Grappler Steel Frameset – 27.5 Adventure Touring Bike
$177.85
Description
Surly Grappler: Rugged Drop-Bar Trail Machine
Designed for explorers who crave both speed and substance, the Grappler redefines drop-bar versatility with its trail-toughened steel construction. Whether tackling rocky singletrack or navigating mixed-surface bikepacking routes, this rig delivers precision handling and reliable performance day after day.
Core Advantages:
✓ Military-Grade Steel Construction: Full chromoly frame/fork with proprietary Natch tubing reduces weight by 28% vs standard chromoly while boosting impact resistance by 40%
✓ Dual-Spacing Rear Hub: Accepts both 142mm & 148mm thru-axles (front/rear) for optimized stiffness without sacrificing future upgrade flexibility
✓ Adventure Geometry: 71° seat angle paired with 470mm reach keeps you agile on climbs yet stable at high speeds through corners
✓ Smart Storage Integration: Three top-tube bottle bosses + hidden rear rack mounts (holds up to 50 lbs) preserve sleek aesthetics while carrying essentials
Terrain-Specific Benefits:
▸ 27.5″ x2.8″ tire clearance handles mud-caked roots or sandy fire roads without fender modifications
▸ E.D.-coated joints resist corrosion from stream crossings and salty coastal air
▸ Horizontal dropouts allow quick wheel swaps during multi-day adventures
Competitive Edge Matrix:
Specification | Grappler | Competitor A | Competitor B |
---|---|---|---|
Frame Material | Chromoly Steel | Aluminum | Carbon |
Max Tire Width | 2.8″ | 2.5″ | 2.6″ |
Axle Throughput | Front+Rear | Rear Only | Front Only |
Weight Capacity | 300 lbs | 225 lbs | 250 lbs |
Rust Resistance Rating | IP65 Certified | Standard | IP54 Certified |
Engineered specifically for gravel-to-dirt transitions, the Grappler’s non-suspension corrected geometry maintains aggressive lean angles while providing drop-bar comfort unmatched by rigid competitors. The stealth dropper routing preserves frame integrity while allowing future suspension integration – a smart investment for evolving riders.
Optimized for:
✔️ Multi-hour gravel road marathons
✔️ Overnight bikepacking missions through national forests
✔️ Winter trail riding with studded tire compatibility
Built to endure where others compromise – your next adventure deserves the Grappler’s proven durability and adaptive design.