{"product_id":"surly-karate-monkey-mountain-frame-fm0315","title":"Surly Karate Monkey Frameset 27.5+ Steel Hardtail with Hi-Viz Black, X-Small, Progressive Trail Geometry, Gnot-Boost Dropouts, Internal Dropper Routing","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience the ultimate blend of durability, versatility, and style with the Surly Karate Monkey Frameset - a premium choice for passionate riders seeking a high-performance steel frame designed for aggressive trail riding, bikepacking, and everything in between. Crafted from 100% Surly Chromoly steel, this frameset offers outstanding strength, flexibility, and classic ride quality, making it an essential upgrade for serious mountain bikers and adventure seekers.\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\u003eBuilt with Surly's renowned double-butted Chromoly steel tubes, the Karate Monkey frameset ensures an exceptional balance of toughness and weight savings. The custom trumpet tubeset, identical to those used on the prestigious Instigator 2.0, provides increased strength and improved ride stability. The steel fork complements the frame's durability, featuring a rigid design that enhances control on technical trails.\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\u003eThis frameset features progressive trail geometry optimized for nimble, confident handling on demanding terrain. The internal dropper seatpost routing (30.9mm seat tube ID) allows seamless integration of modern dropper posts, enabling quick adjustments and improved ride control. The adjustable rear Gnot-Boost dropout system offers 145mm spacing compatible with 142, 148mm thru-axles, and 135mm with washers, providing unparalleled flexibility for customization and tire clearance.\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\u003eEquipped with 12mm thru-axle rear and 15mm thru-axle front systems, this frameset ensures maximum stiffness and security for high-impact riding. Designed to accommodate up to 29 x 2.55\" or 27.5 x 3\" tires, it offers exceptional versatility for mixed-terrain adventures. The disc brake-ready configuration guarantees reliable stopping power in all weather conditions, making it a dependable choice for mountain biking enthusiasts.\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\u003eSporting a striking Hi-Viz Black color option, the Karate Monkey frameset combines rugged durability with a sleek, modern look. Its versatile platform is perfect for trail riding, bikepacking, or commuting adventures. The X-Small size caters to smaller riders or those seeking a more responsive, agile ride. Whether you're tackling rough mountain trails or exploring backcountry routes, this frameset is engineered to deliver confidence, comfort, and style.\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- Surly's renowned trumpet tubeset for enhanced strength and ride quality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Gnot-Boost adjustable rear dropout system for maximum versatility and compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Internal dropper routing to accommodate modern suspension seatposts\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- High tire clearance for aggressive 27.5+ and 29-inch wheels\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Durable, corrosion-resistant steel frame built for years of adventure\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your mountain biking setup with the Surly Karate Monkey Frameset - the perfect foundation for a custom, high-performance steel bike designed for trail, gravel, and beyond. Discover unmatched durability, innovative technology, and DIY customization options in this versatile frameset tailored for serious riders.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty steel construction with 100% Surly Chromoly tubing for exceptional durability and ride quality. \u003c\/li\u003e\n\u003cli\u003eFeatures innovative trumpet tubeset and Surly's Gnot-Boost rear dropout system for versatile wheel and drivetrain compatibility. \u003c\/li\u003e\n\u003cli\u003eDesigned with progressive trail geometry, internal dropper seatpost routing, and generous tire clearance for 27.5 x 3\" or 29 x 2.55 tires, making it ideal for all-mountain and trail riding. \u003c\/li\u003e\n\u003cli\u003eBuilt with high-visibility Black Hi-Viz color options and robust 12mm thru-axle components, perfect for aggressive trail and adventure cycling. \u003c\/li\u003e\n\u003cli\u003eEngineered for performance and style with a lightweight, yet resilient steel frame that blends classic craftsmanship with modern trail-ready features.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42206960058435,"sku":"FM0315","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM3792_e2ae793d-5478-48bf-8faa-3df7cfc56afa.jpg?v=1779332716","url":"https:\/\/365cycles.com\/products\/surly-karate-monkey-mountain-frame-fm0315","provider":"365 Cycles","version":"1.0","type":"link"}