{"product_id":"surly-karate-monkey-mountain-frame-fm0319","title":"Surly Karate Monkey 27.5\" Steel Frameset - Chromoly Trail Bike with Hi-Viz Black Finish, Adjustable Gnot-Boost Dropouts, Internal Dropper Routing, Compatible with 29+ \u0026 27.5+ Tires","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience the perfect blend of durability, versatility, and style with the Surly Karate Monkey Frameset - 27.5\", Steel, Hi-Viz Black, X-Large. Designed for serious trail riders and bike enthusiasts, this high-performance frameset offers innovative engineering and classic steel craftsmanship, optimized for aggressive trail riding, adventure touring, and all-mountain explorations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003ePremium Materials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from 100% Surly Chromoly steel, this frameset guarantees exceptional strength, resilience, and a smooth ride. The double-butted main triangle reduces weight without compromising integrity, while the steel fork adds stability and durability. The Hi-Viz Black finish not only enhances style but also provides excellent visibility, ensuring you stand out on any trail or commute.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eAdvanced Performance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eFeaturing updated, progressive trail geometry, the Karate Monkey delivers agile handling and confident control across varied terrain. Its custom trumpet tubeset, used on the renowned Instigator 2.0, enhances ride quality by absorbing shocks and vibrations. The adjustable Gnot-Boost rear dropout system offers 145mm spacing compatible with multiple drivetrain standards, including 142mm, 148mm (Boost), and 135mm with washers, providing versatile setup options for your preferred gearing configuration.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eInnovative Components \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThis frameset supports internal dropper seatpost routing with a 30.9mm seat tube ID, allowing seamless integration of modern dropper posts for versatile riding positions. It offers generous tire clearance-accommodating 29 x 2.55 or 27.5 x 3-inch tires-making it ideal for fat-tire adventures, trail riding, or bikepacking. The rigid steel fork, with a 15mm thru-axle (110mm spacing), adds to the frameset's rugged performance.\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\u003eThe Surly Karate Monkey's versatile design makes it perfect for technical trails, long-distance excursions, or everyday commuting. Its bold Hi-Viz Black color ensures high visibility, enhancing safety during both daytime and low-light conditions. The XL frame size is suitable for experienced riders seeking a reliable platform for custom builds or conversion to specific wheel and drivetrain configurations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eKey Specifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Frame Material: Surly Chromoly Steel (Double-butted tubes)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Fork Material: Steel, Rigid\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Wheel Compatibility: 27.5 Plus and 29\" wheels\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Tire Clearance: Up to 3\" width for fat-tire versatility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Dropouts: Gnot-Boost adjustable system (142\/148mm)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Brake Compatibility: Disc brakes for consistent stopping power\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Color: Hi-Viz Black\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Size: XL\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003eBuild your dream mountain or gravel bike with the Surly Karate Monkey Frameset-engineered for durability, built for adventure, and designed to elevate your riding experience. Whether tackling rugged trails or exploring backcountry roads, this frameset offers the reliability and innovative features you need to push your limits.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eSurly Karate Monkey Frameset features a durable 100% Chromoly steel construction with double-butted tubes for optimized strength-to-weight ratio, ensuring reliable performance on rugged trails and everyday riding. \u003c\/li\u003e\n\u003cli\u003eEngineered with Surly's progressive trail geometry and custom trumpet tubeset, offering enhanced handling, stability, and responsiveness across diverse terrains and riding styles. \u003c\/li\u003e\n\u003cli\u003eEquipped with Surly's innovative Gnot-Boost rear dropout system, providing adjustable 145mm spacing compatible with 142, 148 thru-axles, and 135mm setups for versatile wheel compatibility and future upgrades. \u003c\/li\u003e\n\u003cli\u003eDesigned for versatility with internal dropper seatpost routing (30.9mm) and generous clearance for 27.5 x 3\" or 29 x 2.55\" tires, making it perfect for mountain biking, trail riding, and mixed terrain adventures. \u003c\/li\u003e\n\u003cli\u003eFeaturing a sleek Hi-Viz Black finish, rigid steel fork, and compatibility with disc brakes, this X-Large frameset combines style, durability, and advanced engineering for serious riders seeking a customizable, high-performance bike build.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42206974246979,"sku":"FM0319","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM3792_b73166ea-775d-4e51-9935-2199974d3622.jpg?v=1779332692","url":"https:\/\/365cycles.com\/products\/surly-karate-monkey-mountain-frame-fm0319","provider":"365 Cycles","version":"1.0","type":"link"}