{"product_id":"surly-krampus-mountain-frame-mtbf0221","title":"Surly Krampus 29+ Steel Frameset - Prickly Pear XL, Gnot-Boost 145mm Rigid MTB Frame with Internal Dropper Routing for Plus-Size Adventure","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eDiscover the Surly Krampus Frameset - the ultimate choice for gravel, mountain biking, and adventurous riding. Crafted from durable, lightweight 100% Surly 4130 CroMoly steel, this frameset delivers exceptional ride quality, resilience, and classic steel responsiveness. Its prickly pear color adds a bold, distinctive style that turns heads on every trail.\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 precision from high-quality steel, the Krampus frameset features a double-butted main triangle and a 44mm head tube for strength and weight savings. The steel fork complements the frame, providing reliable durability and a smooth ride. The innovative trumpet tubes used in this design, borrowed from the 2017 Karate Monkey, enhance compliance and ride comfort.\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 for aggressive trail riding and adventure touring, the Krampus frameset accommodates up to 29 x 3.0-inch tires, offering incredible traction and stability over rough terrain. The Gnot-Boost rear dropout system allows adjustable rear spacing from 135mm quick release to 142x12mm or 145mm Boost 148x12mm thru-axle compatibility, making it versatile for different wheel setups. Internal dropper seatpost routing ensures clean cable management and easy saddle height adjustments for technical climbs or descents.\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 posts, this frameset is engineered for versatility and performance. Featuring disc brake compatibility, it ensures reliable stopping power in all conditions. The rigid steel fork and precise geometry provide predictable handling, perfect for rugged trail exploration or bikepacking adventures.\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\u003eWith its eye-catching prickly pear color, this frameset stands out on the trail. Whether you're a mountainbiker, gravel explorer, or avid adventurer looking to build a custom bike, the Krampus Frameset offers unmatched style, durability, and performance. The XL size caters to riders seeking comfort and stability on long, off-road journeys.\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 hub spacing for maximum flexibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Internal dropper seatpost routing for sleek aesthetics and functionality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- 100% CroMoly steel construction for durability and a smooth, lively ride\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with a wide range of tire sizes (up to 29 x 3.0\") and hubs for personalized setup\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your bike with the Surly Krampus Frameset - the perfect foundation for a rugged, reliable, and stylish off-road machine that performs wherever your adventure takes you.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable 4130 CroMoly steel frame and fork construction provides excellent strength, corrosion resistance, and ride comfort for off-road and trail riding. \u003c\/li\u003e\n\u003cli\u003eInnovative Gnot-Boost rear dropout system offers adjustable spacing compatible with 145mm, Boost 148x12mm thru-axle, and 142x12mm hubs, ensuring versatile wheel compatibility for plus-size tires. \u003c\/li\u003e\n\u003cli\u003eDesigned for high-performance mountain biking, this frameset supports up to 29x3.0 tires, making it perfect for tackling rough trails, mountain paths, and all-terrain adventures with added flotation and stability. \u003c\/li\u003e\n\u003cli\u003eSleek Prickly Pear colorway combines style and visibility, ideal for bold riders seeking a unique look that stands out on the trail or urban environment; perfect for both trail and commuting use cases. \u003c\/li\u003e\n\u003cli\u003eIncludes internal dropper post routing for seamless integration of suspension seatposts, enhancing rider control and comfort on technical descents or steep climbs; engineered for reliability, performance, and long-lasting durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42376353185859,"sku":"MTBF0221","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM1864_f07eabbd-0421-4cda-b780-6c0f8eb61182.jpg?v=1779340138","url":"https:\/\/365cycles.com\/products\/surly-krampus-mountain-frame-mtbf0221","provider":"365 Cycles","version":"1.0","type":"link"}