{"product_id":"surly-krampus-mountain-frame-mtbf0087","title":"Surly Krampus 29+ Steel Frameset 4130 CroMoly, British Racing Green, Rigid Fork, Gnot-Boost Dropouts, Internal Dropper Routing, Large Size","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking experience with the Surly Krampus Frameset - the ultimate 29\" steel frame designed for trail explorers, fat-tire enthusiasts, and adventure seekers. Crafted from high-quality Surly 4130 CroMoly steel, this frameset offers exceptional durability, strength, and a smooth ride over challenging terrains. Its iconic British Racing Green finish adds a sleek, stylish touch to your bike build, making it a standout on any trail.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eThe Krampus frameset features a double-butted main triangle and a robust 44mm headtube, crafted from premium Surly 4130 CroMoly steel for optimal strength-to-weight ratio. The use of trumpet tubes, the same innovative design found on the 2017 Karate Monkey, enhances ride quality and durability. Whether you're navigating rocky descents or technical climbs, this steel construction ensures longevity and a comfortable, vibration-dampened ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Components \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for versatility, the Krampus is compatible with Gnot-Boost rear hub spacing (145mm), compatible with Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle, and 135mm quick-release hubs, offering expansive wheel and tire options. Designed to accommodate up to 29 x 3.0\" tires, this frameset enables confident fat-tire riding and trail grip. The internally routed dropper post cable allows for a clean aesthetic and easy saddle height adjustments on the fly. The 30.9mm seat tube provides a secure mount for dropper posts, enhancing control on technical descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe Surly Krampus is the perfect choice for fat-tire mountain biking, plus-sized off-road adventures, and bikepacking explorations. Its rigid steel fork and wide tire clearance make it ideal for rugged terrains, while the stylish British Racing Green finish adds a distinctive look for riders who want both performance and style. Whether you're exploring singletracks, tackling technical descents, or venturing into remote backcountry, this frameset delivers reliability and exceptional handling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eInnovative Features \u0026amp; Differentiators\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Gnot-Boost adjustable rear dropouts for increased drivetrain flexibility and compatibility with various hub standards\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Internal dropper seatpost routing for a sleek, protected cable system\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Designed for maximum tire clearance with up to 3.0\" fat tires on 29+\" wheels\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Rigid steel fork for precise steering and durability in rugged conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eSpecifications at a Glance:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Material: High-strength 4130 CroMoly steel frameset\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Color: British Racing Green (Green)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Wheel Size: 29+ (up to 3.0\" tires)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Rear Axle: 12mm Thru x 145mm with Gnot-Boost compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Front Axle: 15mm Thru x 110mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Brake Type: Disc brakes for reliable stopping power in all conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Suitable for Mfg Size: Large\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003eElevate your off-road adventures with the Surly Krampus Frameset-built for durability, versatility, and style. Ideal for riders seeking a rugged steel frame that embraces the plus-size tire movement, offering unmatched control and confidence on technical trails and rough terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium 4130 CroMoly steel construction ensures durability, strength, and excellent ride quality for challenging off-road adventures and all-mountain riding.\u003c\/li\u003e\n\u003cli\u003eFeatures Gnot-Boost adjustable rear dropouts compatible with Boost 148 x 12mm thru-axle, 145mm spacing, and quick-release hubs, providing versatile wheel compatibility and upgrade flexibility.\u003c\/li\u003e\n\u003cli\u003eEngineered with internal dropper seatpost routing and a 30.9mm seat tube, this frameset is optimized for modern mountain biking, delivering smooth suspension integration and custom saddle positioning.\u003c\/li\u003e\n\u003cli\u003eDesigned in striking British Racing Green with a sleek, rugged style, the Surly Krampus Frameset is ideal for aggressive trail riding, plus-sized terrain, and versatile 29+ tire adventures.\u003c\/li\u003e\n\u003cli\u003eIncorporating innovative trumpet tubes similar to the Karate Monkey, combined with a 44mm headtube and rigid steel fork, this frameset offers exceptional strength, stability, and classic style with cutting-edge features.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42204701065283,"sku":"MTBF0087","price":716.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM1531_27950575-d7e8-4835-a4e5-f66c4037186a.jpg?v=1779327153","url":"https:\/\/365cycles.com\/products\/surly-krampus-mountain-frame-mtbf0087","provider":"365 Cycles","version":"1.0","type":"link"}