{"product_id":"surly-krampus-mountain-frame-mtbf0225","title":"Surly Krampus 29+ Steel Frameset - XL Sage Green, Plus-Size Fat Bike with Gnot-Boost Rear Dropouts, Internal Dropper Routing \u0026 4130 CroMoly Construction","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience rugged versatility and superior performance with the Surly Krampus Frameset - the ultimate steel 29\" mountain bike frame designed for aggressive off-road adventures. Crafted from premium 4130 CroMoly steel, this X-Large Sage Green frameset combines durability, strength, and style for riders who demand reliability and innovation.\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\u003eConstructed from 100% Surly 4130 CroMoly steel, the Krampus frameset features a double-butted main triangle and a 44mm headtube for enhanced strength without extra weight. The steel material offers exceptional ride comfort and longevity, making it ideal for demanding mountain biking pursuits.\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\u003eEngineered for serious trail riding, the Krampus boasts Gnot-Boost adjustable rear dropouts providing compatibility with Boost 148 x 12mm thru-axle, 145mm rear spacing, 142 x 12mm thru-axle, and traditional 135mm quick-release hubs. The frameset is designed to accommodate up to 29 x 3.0\" tires, enabling optimal traction and flotation on rugged terrains. Internal dropper seatpost routing ensures seamless saddle height adjustments, enhancing rider control and comfort.\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 a robust steel fork, the Krampus delivers reliable steering and shock absorption on technical trails. The 30.9mm seat tube allows for versatile dropper post compatibility, giving riders quick, adjustable saddle positioning. Its disc brake compatibility ensures powerful, consistent stopping power in all weather conditions, ideal for challenging mountain environments.\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\u003eBold Sage Green color and distinctive Krampus platform style make this frameset not only a performance machine but also a statement piece on any trail or bikepacking adventure. Whether you're tackling steep technical descents, exploring remote singletracks, or embarking on multi-day bikepacking expeditions, the Krampus frameset offers the durability, clearance, and versatility you need.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features \u0026amp; Differentiators:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Gnot-Boost rear hub spacing with multi-compatibility options for maximum wheel choice flexibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Internal dropper routing for clean looks and reliable performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Designed specifically for plus-sized 29+ tires, providing unmatched traction and stability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Classic steel construction fused with modern geometry for a perfect balance of toughness and ride quality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your mountain biking experience with the Surly Krampus Frameset - the perfect steel frame for those who ride hard, explore farther, and demand the best in durability, style, and innovative engineering. Whether building a custom trail rider or a bikepacking adventure rig, this frameset is ready to take your off-road adventures to the next level.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty Surly 4130 CroMoly steel construction provides exceptional durability and ride quality for demanding off-road adventures. \u003c\/li\u003e\n\u003cli\u003eDesigned with Gnot-Boost adjustable rear dropouts and compatibility with Boost 148 x 12mm thru-axle, 142 x 12mm, and 135mm quick-release hubs for versatile wheel options and easy upgrades. \u003c\/li\u003e\n\u003cli\u003eEngineered for plus-size 29 x 3.0 tires, offering superior traction, stability, and comfort across rugged terrains and challenging trails. \u003c\/li\u003e\n\u003cli\u003eFeatures internal dropper seatpost routing for seamless height adjustments and a clean aesthetic, ideal for technical trail riding and versatile bike setups. \u003c\/li\u003e\n\u003cli\u003eSleek Sage Green finish combined with a sturdy steel frame and rigid fork perfectly balances style, performance, and durability for versatile cycling enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42376353513539,"sku":"MTBF0225","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM1860_4d38cfb2-3240-4527-a026-5f14fe6443cd.jpg?v=1779340208","url":"https:\/\/365cycles.com\/products\/surly-krampus-mountain-frame-mtbf0225","provider":"365 Cycles","version":"1.0","type":"link"}