{"product_id":"surly-karate-monkey-mountain-frame-fm0316","title":"Surly Karate Monkey Frameset 27.5\" Steel Bike Frame Hi-Viz Black, Custom Trumpet Tubes, Gnot-Boost Rear Dropouts, Internal Dropper Routing","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eEnhance your trail riding capabilities with the Surly Karate Monkey Frameset - the ultimate steel mountain bike frame designed for enthusiasts seeking durability, versatility, and bold style. Built from premium materials and engineered for performance, this 27.5-inch steel frameset is ideal for adrenaline-filled adventures on rugged terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from 100% Surly Chromoly steel, the Karate Monkey Frameset offers exceptional strength, responsiveness, and a smooth ride quality. The double-butted main triangle reduces weight without sacrificing durability, while the steel fork with tapered crown ensures stability and control. The Hi-Viz Black finish gives the frameset a sleek, protective coating that resists scratches and corrosion, making it perfect for off-road and all-weather use.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned with progressive trail geometry, the Karate Monkey provides precise handling and confidence-inspiring stability on technical trails. The adjustable Gnot-Boost rear dropout system offers 145mm spacing compatible with 142mm, 148mm (boost), and 135mm thru-axle configurations, providing compatibility with a wide range of wheelsets and drivetrain setups. Internal dropper seatpost routing (30.9mm diameter) enables seamless integration, allowing riders to tackle steep descents with ease and confidence.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThis frameset features innovative trumpet tubes, similar to those used on the Surly Instigator 2.0, enhancing stiffness and ride quality. The disc brake mounting ensures reliable stopping power, and the 585mm effective top tube length provides a balanced, aggressive riding position ideal for trail and mountain biking. Clearance for 29 x 2.55 or 27.5 x 3 tires grants versatility for different terrains and riding styles, from fast-cross country to aggressive trail riding.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eWith its striking Hi-Viz Black finish and aggressive geometry, the Surly Karate Monkey embodies rugged style and adventure-ready performance. This versatile frameset is perfect for riders looking to build a custom trail or hardtail mountain bike capable of conquering challenging terrains, backcountry adventures, or daily rides. Its modular design and multiple configuration options make it a standout choice for DIY enthusiasts and seasoned riders alike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Custom trumpet tubeset for optimal stiffness and durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Gnot-Boost rear dropout system for versatile wheel and axle compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Internal dropper routing for seamless saddle height adjustments\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Wide tire clearance for 27.5+ and 29-inch wheels, ensuring adaptability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Rigid steel fork for responsive handling and durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Material: Surly Chromoly steel\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Wheel Compatibility: 27.5+ and 29-inch wheels\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Tire Clearance: Up to 29 x 2.55 or 27.5 x 3 inches\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Dropouts: Adjustable Gnot-Boost 145mm spacing\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Brake System: Disc brake compatible\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003e- Colors: Hi-Viz Black\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003e- Sizes Available: Small\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-24\"\u003e\u003cp\u003eUpgrade your mountain biking setup with the Surly Karate Monkey Frameset-a robust, versatile, and stylish foundation for your custom trail bike build. Engineered for serious riders who demand quality, durability, and performance in every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable 100% Surly Chromoly steel frame and fork deliver reliable performance and strength for all-mountain riding and trail adventures. \u003c\/li\u003e\n\u003cli\u003eFeatures innovative Gnot-Boost adjustable rear dropout system compatible with multiple wheel sizes (27.5+, 29\") and drivetrain configurations, offering versatile customization options. \u003c\/li\u003e\n\u003cli\u003eModern trail geometry with a 585mm effective top tube and double-butted trumpet tubeset enhances handling, stability, and responsiveness on technical terrain and aggressive rides. \u003c\/li\u003e\n\u003cli\u003eInternal dropper seatpost routing with 30.9mm seat tube diameter enables seamless saddle height adjustments for improved control and comfort during climb and descent. \u003c\/li\u003e\n\u003cli\u003eStylish Hi-Viz Black finish combined with aggressive tire clearance (up to 2.55\" or 3\") makes this frameset perfect for hitting the trails, bikepacking, or versatile cycling adventures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42206959829059,"sku":"FM0316","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM3792_3424f15a-449b-4236-a79f-14c78743693c.jpg?v=1779332622","url":"https:\/\/365cycles.com\/products\/surly-karate-monkey-mountain-frame-fm0316","provider":"365 Cycles","version":"1.0","type":"link"}