2025 Karate Monkey 27.5"
by SurlyMultipurpose Hardtail Mountain Bike
Karate Monkey delivers a resilient, lively ride on all sorts of gnarly terrain. Its frame is a highly-versatile canvas for whatever dirty masterpiece your brain cooks up. According to our computing machine (Thor) it can be set up in approximately 487 different configurations.
Originally designed as a 29er (and the frame that helped spark the 29” wheel movement), the latest Karate Monkey is designed to perform just as admirably as a 27.5+ rig as well. This allows you to pick your poison — provided your poison is having a really great time while permanently donning a shit-eating grin, of course.
- Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles, suspension corrected fork
- Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though)
- Clearance for 29” x 2.5” or 27.5” x 3” tires
Frameset
- Surly Chromoly Steel (Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated)
- Fork: RockShox 35 Gold RL, 15 x 110mm, 140mm travel
- Seatpost Clamp: Surly stainless, 33.1mm
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Components
- Headset: Cane Creek
- Brakes: Tektro Gemini HD-M520
- Rotors: 180F/160R
- Shifter: Shimano Deore XT, 12-spd
- Stem: ProMax 31.8
- Handlebar: Salsa Rustler
- Grips: Velo Black
- Saddle: WTB Volt
- Seatpost: TranzX YSP15, 30.9 XS: 100mm, SM-XL: 120mm
Wheels
- Front Hub: Novatec 15x110, 32h, 6-bolt
- Rear Hub: Novatec 12x148, 32h, 6-bolt
- Rims: WTB ST i35 TCS 2.0
- Tires: Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready
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