{"product_id":"surly-krampus-mountain-frame-mtbf0227","title":"Surly Krampus 29+ Steel Frameset - Medium, Sage Green, Gnot-Boost-Compatible, 4130 CroMoly, Plus-Size Mountain Bike Frame with Internal Dropper Routing","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eIntroducing the Surly Krampus Frameset - 29\", Steel, Sage Green, Medium: the ultimate platform for adventurous riding, rugged versatility, and durable performance. Engineered for those who crave off-road escapades and trail exploits, this high-quality steel frameset combines classic craftsmanship with innovative design features to elevate your mountain biking experience.\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 4130 CroMoly steel, the Krampus frameset offers exceptional strength, resilience, and a smooth ride quality. Its double-butted main triangle reduces weight without sacrificing durability, while the sturdy 44mm head tube ensures precise steering and handling. The robust steel fork enhances stability across rugged terrain, making this frame ideal for aggressive trail riding and long-distance adventures.\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 modern mountain biking in mind, the Krampus features Gnot-Boost adjustable rear dropouts, accommodating a variety of drivetrain configurations and hub standards including 145mm, Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle, and 135mm quick-release hubs. This flexibility allows for easy customization and maintenance, ensuring your bike is built for performance and longevity. The frame also supports tire widths up to 29 x 3.0 tires, providing excellent traction and control on diverse terrains.\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\u003eIntegrated internal dropper seatpost routing enables seamless height adjustment for technical descents and uphill climbs, enhancing rider confidence. The 30.9mm seat tube seamlessly accommodates dropper posts, while the rigid steel fork guarantees responsiveness and stability. Compatibility with disc brakes ensures powerful, consistent stopping power regardless of trail conditions, making it a reliable choice for demanding riders.\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\u003eFinished in a distinctive Sage Green color, the Krampus frameset boasts a sleek, rugged aesthetic that stands out on and off the trail. Its versatile design is perfect for mountain bikers who push boundaries and seek a durable frame capable of handling aggressive trail riding, bikepacking adventures, and off-road exploration. The medium size fits riders looking for a balanced combination of agility and stability at 610mm of effective top tube length.\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- Gnot-Boost adjustable rear dropouts for maximum hub and drivetrain compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Internal dropper post routing for a clean look and easy installation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Designed to fit up to 29 x 3.0 tires for enhanced grip and flotation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- 100% CroMoly steel construction for durability and a smooth ride\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Classic rugged style with modern versatility in Sage Green finish\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your trail capability with the Surly Krampus Frameset-built for explorers, trail warriors, and bikepacking enthusiasts seeking a reliable, versatile steel frame that combines craftsmanship, innovation, and style. Prepare to conquer the toughest terrains with confidence and control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable Surly 4130 CroMoly steel construction with double-butted tubing ensures a robust yet lightweight frame built for rigorous off-road adventures. \u003c\/li\u003e\n\u003cli\u003eDesigned with Gnot-Boost adjustable rear dropouts, this frameset offers versatility with compatibility for Boost 148 x 12mm thru-axle, 145mm, 142 x 12mm, and quick-release hubs for custom wheel setups. \u003c\/li\u003e\n\u003cli\u003eOptimized for plus-size tires up to 29 x 3.0 inches, featuring internal dropper seatpost routing for seamless integration of modern dropper posts and enhanced ride adaptability on varied terrain. \u003c\/li\u003e\n\u003cli\u003eSleek Sage Green color scheme combined with a rigid steel fork delivers timeless style and superior durability ideal for adventurous trail riding or all-season cycling. \u003c\/li\u003e\n\u003cli\u003eInnovative features like the welded 44mm headtube and compatibility with 29+ wheels make this frameset perfect for riders seeking both performance engineering and versatile styling in a high-performance, steel mountain bike frame.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42376353349699,"sku":"MTBF0227","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM1860_ac26ee83-157f-4a13-afe0-e760fe2fba50.jpg?v=1779340162","url":"https:\/\/365cycles.com\/products\/surly-krampus-mountain-frame-mtbf0227","provider":"365 Cycles","version":"1.0","type":"link"}