Surly Karate Monkey Frameset
Best versatile platform for riders seeking a customizable steel trail bike.
A rugged, steel-framed platform designed for maximum versatility on the trail. It balances modern geometry with classic durability, offering a blank canvas for everything from aggressive mountain riding to long-haul bikepacking adventures.
$999.00
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Who it's for
- Riders seeking one bike that adapts to various trail styles
- Bikepackers and trail riders prioritizing long-term durability and comfort
- Adventure cyclists needing ample storage options for multi-day trips
Who should skip it
- Weight-conscious racers looking for a lightweight climbing machine
- Aesthetically focused owners who want a pristine, chip-resistant finish
- Aggressive trail riders requiring long-travel dropper post compatibility
Performance breakdown
Frame Versatility
The Gnot-Boost dropout system handles nearly any axle standard with ease.
Durability
Double-butted chromoly steel offers legendary toughness for years of hard riding.
Build Customization
Ample mounting points make this an ideal canvas for unique builds.
Terrain Adaptability
Progressive geometry excels on technical trails and long-distance bikepacking routes alike.
Tire Clearance
Generous spacing accommodates wide rubber for superior traction and comfort.
Maintenance Simplicity
Threaded bottom bracket and external routing simplify home mechanic repairs.
Key Specs
Frame Material
4130 Chromoly Steel
Fork Material
4130 Chromoly Steel
Headset
ZS44/28.6 (Upper), EC44/30 (Lower)
Brake Compatibility
Disc Only
Axle Type
Thru Axle
Hub Spacing
15 x 110mm (Front), 12 x 145mm (Rear)
Bottom Bracket Type
BSA 73mm Threaded
Tire Clearance
27.5 x 3.0 inches or 29 x 2.5 inches
Cable Routing
External with Internal Dropper Routing
Seatpost Diameter
30.9mm
Know before you buy
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Ask Metto anything about the Surly Karate Monkey Frameset before you decide.