{"product_id":"surly-krampus-mountain-frame-mtbf0138","title":"Surly Krampus 29+ Frameset - Steel, Gnot-Boost Rear Dropouts, Chester Copperpot, Rigid Fork, High-Performance Plus-Size Adventure Bike","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eDiscover the Surly Krampus Frameset - 29\", Steel, Chester Copperpot, Small, the ultimate choice for adventurers and mountain biking enthusiasts seeking durability, versatility, and style. Built with premium materials and innovative engineering, this frameset is designed to handle the toughest terrains and inspire your next ride.\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, durability, and riding comfort. The double-butted main triangle enhances weight savings while maintaining structural integrity, ensuring a smooth, responsive ride. The steel fork, also made from CroMoly, absorbs shocks and vibrations, providing superior control on rough 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\u003eThe Krampus features Surly's renowned Gnot-Boost adjustable rear dropouts, allowing compatibility with 145mm spacing and multiple hub standards, including Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle, and traditional 135mm quick-release hubs. Designed to support up to 29 x 3.0 plus-sized tires, this frameset is perfect for tackling steep climbs, deep descents, and wide trail conditions. The internal dropper seatpost routing enables seamless saddle height adjustments for enhanced technical performance.\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 30.9mm seat tube for modern dropper post compatibility, the Krampus frameset boasts a robust 44mm headtube for precise steering and stability. Its rigid steel fork features a 15mm thru-axle front end, delivering enhanced stiffness and control. The frameset's disc brake mounting ensures reliable stopping power in all weather conditions, ideal for mountain biking and 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\u003eStyled in the distinctive Chester Copperpot color, with a captivating brown finish, the Krampus frameset blends classic steel aesthetics with rugged functionality. Designed for riders who crave versatility, this frameset excels in plus-size mountain biking, bikepacking adventures, and all-terrain exploration. Its durable steel construction and innovative features make it a perfect choice for long endurance rides and weekend trail adventures.\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 adjustable rear dropout for versatile hub compatibility and future upgrades\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Internal dropper post routing for clean, protected cable management\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Compatible with up to 29 x 3.0 tires for maximum traction and comfort\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Rugged steel construction for long-lasting performance in demanding conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Frame Material: CroMoly Steel\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Fork Material: CroMoly Steel\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Rear Axle: 12mm Thru x 145mm (Gnot-Boost adjustable)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Brake Compatibility: Disc\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Wheel Size: 29+\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Color: Chester Copperpot (Brown)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003e- Frame Size: Small\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003e- Designed to accommodate 30.9mm seat post and internal routing for dropper posts\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-24\"\u003e\u003cp\u003eUpgrade your mountain biking setup with the Surly Krampus Frameset-engineered for durability, versatility, and adventure. Whether conquering technical trail features or exploring remote backcountry, this frameset offers unmatched quality and style for passionate riders.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable and lightweight Surly 4130 CroMoly steel construction provides exceptional strength, flex, and ride quality for off-road adventuring and mountain biking. \u003c\/li\u003e\n\u003cli\u003eInnovative Gnot-Boost adjustable rear dropouts enable compatibility with multiple hub standards (145mm, Boost 148 x 12mm, 142 x 12mm, 135mm quick-release), offering versatile wheel options and future upgrade flexibility. \u003c\/li\u003e\n\u003cli\u003eEngineered for plus-size mountain biking, this frameset fits up to 29 x 3.0-inch tires, delivering superior traction, stability, and confidence on challenging trails and rugged terrain. \u003c\/li\u003e\n\u003cli\u003eDesigned with internal dropper post routing and a 30.9mm seat tube, the Krampus frameset enhances customization for technical riding and improved saddle height adjustability. \u003c\/li\u003e\n\u003cli\u003eFeaturing an eye-catching Chester Copperpot finish, this steel frameset combines rugged durability with classic style, perfect for riders seeking a reliable, versatile rig built for adventure and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42201909329987,"sku":"MTBF0138","price":949.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM2481_f2dcc3f5-c6f5-4ae5-96ba-ff010c202253.jpg?v=1779338394","url":"https:\/\/365cycles.com\/products\/surly-krampus-mountain-frame-mtbf0138","provider":"365 Cycles","version":"1.0","type":"link"}