Multipurpose Hardtail Mountain Bike
The Surly Karate Monkey 27.5"+ is a highly-versatile trail bike that also plays the part of 29er equally well if you BYO wheels.
This bike 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. Surly says 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 big 'ol 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
- Frame: 100% Surly Chromoly Steel.
- Fork: 100% Surly Chromoly Steel
- Seatpost Clamp: Surly stainless, 33.1mm
- See frameset page for full specs.
- Headset: Cane Creek
- Brakes: SRAM Avid BB5 Mechanical
- Brake Levers: SRAM Avid FR5
- Rotors: 180F/160R
- Shifter: Shimano Deore 12-spd
- Stem: Kalloy 31.8
- Handlebar: Salsa Rustler
- Grips: Velo Black
- Saddle: Selle Italia
- Seatpost: Kalloy 30.9
- Crankset: Shimano Deore MT510, 30t
- Bottom Bracket: Shimano 73mm threaded
- Rear Derailleur: Shimano Deore 6100 SGS
- Cassette: OE 12-spd, 11-51t
- Chain: KMC X12, Anti-Rust
- Front Hub: Novatec 15x110, 32h, 6-bolt
- Rear Hub: Novatec 12x148, 32h, 6-bolt
- Rims: WTB ST i40 TCS 2.0
- Tires: Surly Dirt Wizard 27.5 x 3", 60tpi, Tubeless Ready
Returns: This product is overweight and/or oversize and does not qualify for our fixed rate return shipping label. If you need to return this item, we can offer a return shipping label at our discounted shipping rates, or you can arrange for your own return shipping.
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XS - Organic Eggplant
Mfg PartNum: BK3501
Small - Organic Eggplant
Mfg PartNum: BK3502
Medium - Organic Eggplant
Mfg PartNum: BK3503
Large - Organic Eggplant
Mfg PartNum: BK3504
XL - Organic Eggplant
Mfg PartNum: BK3505