{"product_id":"surly-karate-monkey-mountain-frame-mtbf0147","title":"Surly Karate Monkey Frameset 27.5\" \u0026 29\" Steel Bike Frame, Lost at Sea Blue, Trail Geometry, Gnot-Boost Dropouts, Internal Dropper Routing, Versatile MTB Adventure","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience the versatility and durability of the Surly Karate Monkey Frameset, designed for mountain biking enthusiasts and adventure seekers alike. Crafted from premium 100% Chromoly steel, this frameset boasts exceptional strength, resilience, and a smooth, ride-enhancing feel whether you're tackling rugged trails or exploring off-road terrain.\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\u003eMade from high-quality Surly Chromoly steel, the Karate Monkey frameset features a double-butted main triangle for optimized strength-to-weight ratio. The robust steel fork further enhances durability, making it ideal for aggressive trail riding and long-distance adventures. The sleek Lost at Sea Blue color adds a distinctive style that stands out on any trail.\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\u003eThanks to its updated, progressive trail geometry, the Karate Monkey delivers confident handling, stability, and control on challenging terrain. The custom trumpet tubeset, identical to that on the renowned Instigator 2.0, offers increased strength and vibration absorption. With internal dropper seatpost routing (30.9mm seat tube ID), riders can easily add adjustable dropper posts for versatile riding positions and superior control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Compatibility:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe frameset features adjustable Gnot-Boost rear dropouts with 145mm spacing, compatible with 142mm, 148mm (boost), and traditional 135mm hubs - providing exceptional wheel compatibility and upgrade flexibility. It supports 27.5\" or 29\" wheels with ample clearance for tires up to 2.55\" on 29\" wheels and 3\" on 27.5\" wheels, making it a perfect platform for fat-tire adventure setups or rugged trail riding. The 12mm thru-axle rear (145mm spacing) and 15mm thru-axle front (110mm spacing) ensure rigidity and precise steering.\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\u003eDesigned in the striking Lost at Sea Blue, this frameset combines style and functionality, making it a standout choice for trail riders, bikepacking enthusiasts, and commuters seeking durability and versatility. Its rigid steel fork complements the tough steel frame, offering reliable handling for a variety of mountain biking scenarios. The Karate Monkey is perfect for building a custom hardtail mountain bike tailored to your riding style and terrain preferences.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Custom trumpet tubeset for enhanced durability and ride quality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Gnot-Boost adjustable rear dropout system for versatile wheel compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Internal dropper post routing for modern performance upgrades\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Wide tire clearance for off-road adventures and fat-tire setups\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your mountain bike with the Surly Karate Monkey Frameset - your ultimate platform for rugged performance, personalized builds, and endless adventure. Designed for those who demand quality, versatility, and timeless style in every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDurable 100% Surly Chromoly steel frame and fork featuring double-butted tubes and a reinforced 44mm headtube for optimal strength and longevity in demanding trail conditions. \u003c\/li\u003e\n\u003cli\u003eAdvanced trail geometry with a 635mm effective top tube length and custom trumpet tubeset enhances handling, stability, and performance on rugged MTB and adventure rides. \u003c\/li\u003e\n\u003cli\u003eVersatile Gnot-Boost rear dropout system allows for adjustable rear spacing from 135mm to 148mm and accommodates various drivetrain setups, including 12mm thru axles and boost-compatible wheels. \u003c\/li\u003e\n\u003cli\u003eInternal routing for 30.9mm dropper seatposts provides clean cabling and effortless saddle height adjustments, making this frameset ideal for technical climbs and descents. \u003c\/li\u003e\n\u003cli\u003eStylish Lost at Sea Blue finish combined with wide tire clearance for 27.5 x 3 or 29 x 2.55 tires, offering maximum versatility for trail riding, bikepacking, or all-mountain adventures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":42201910411331,"sku":"MTBF0147","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM3031_fa347d05-84ab-40dc-9912-afb40c8e97c9.jpg?v=1779338419","url":"https:\/\/365cycles.com\/products\/surly-karate-monkey-mountain-frame-mtbf0147","provider":"365 Cycles","version":"1.0","type":"link"}