Surly Karate Monkey Frameset
Best versatile steel frame for custom trail and bikepacking builds.
A legendary steel hardtail platform that balances trail-ready toughness with modern versatility. Its adaptable dropout system and generous tire clearance make it a perfect canvas for building anything from a bikepacking rig to a rowdy singletrack shredder.
$1099.00
at
Tree Fort Bikes
More Karate Monkey options
Who it's for
- Riders seeking one bike for trail riding and backcountry touring
- Cyclists prioritizing long-term durability and a smooth ride feel
- Bikepackers and commuters needing significant gear hauling capacity
Who should skip it
- Weight-conscious racers looking for the lightest possible climbing platform
- Mechanically inexperienced riders who prefer simple thru-axle systems
- Trail riders who frequently navigate very rocky or rooted terrain
Performance breakdown
Frame Versatility
Gnot-Boost dropouts make swapping axle standards and drivetrains incredibly straightforward.
Ride Compliance
Double-butted chromoly steel absorbs trail chatter better than rigid aluminum frames.
Tire Clearance
Massive clearance easily accommodates chunky 29er or 27.5+ rubber setups.
Handling Geometry
Progressive trail geometry balances modern stability with nimble, responsive cornering.
Build Customizability
A blank canvas that welcomes everything from bikepacking rigs to aggressive trail-shredders.
Durability
Rugged steel construction withstands years of abuse on technical, rocky terrain.
Key Specs
Material
100% Chromoly steel
Frame Type
Rigid
Wheel Size Compatibility
27.5+, 29er
Brake Type Compatibility
Disc
Head Tube Type
44mm
Rear Axle Spacing
148mm
Front Axle Spacing
110mm
Suspension Type
Rigid
Seatpost Diameter
30.9mm
Cable Routing Type
Internal dropper
Know before you buy
Still have a question?
Ask Metto anything about the Surly Karate Monkey Frameset before you decide.