{"product_id":"mtbf0272","title":"Surly Lowside Frameset 27.5\" Steel Bike Frame Blue Monday XL - Versatile Steel Trail \u0026 Commuter Bike with Internal Dropper Routing, Gnot-Boost, Disc Brakes","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eIntroducing the Surly Lowside Frameset - 27.5\", Steel, Blue Monday, X-Large\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eElevate your cycling adventures with the versatile and durable Surly Lowside Frameset, designed for riders seeking a high-performance, single-speed capable mountain bike that seamlessly transitions from urban commuting to trail riding. Crafted from premium materials and engineered with innovative features, this steel frameset offers unmatched strength, comfort, and style for bikers who demand reliability and flexibility.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eConstructed from 100% Surly 4130 Chromoly steel, the Lowside Frameset delivers exceptional durability and ride quality. The main triangle features double-butted tubing, providing a lightweight yet robust frame capable of handling rigorous riding conditions. The steel construction ensures a smooth, compliant ride while absorbing vibrations for increased comfort on long rides or uneven terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eDesigned with trail versatility in mind, the Lowside offers Gnot-Boost rear spacing for improved wheel compatibility and strength. The frame's geometry and steel build make it ideal for quick, spirited rides on singletrack or urban streets. The internal dropper seatpost routing (30.9mm seat tube ID) allows for seamless integration of dropper posts, enabling quick adjustments for optimal riding position and clearance in technical sections or urban settings.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eThis frameset includes a 1-1\/8\" threadless steel fork for precise steering and resilience. The singlespeed-specific design simplifies maintenance and enhances drivetrain efficiency, with a dedicated derailleur hanger designed specifically for single-speed setups (note: does not include Trip Guides). The frame accommodates tires up to 27.5\" x 2.8\" or 26\" x 3\" for excellent traction and stability across various terrains. Included front and rear thru-axles (15mm Thru x 110mm front, 12mm Thru x 145mm rear) ensure rigidity and safety during aggressive riding.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eFinished in the vibrant \"Blue Monday\" color, this X-Large frame complements riders looking for a stylish, functional bike capable of handling city commutes, trail adventures, or fun weekend rides. Its versatile design makes it the perfect platform for building a personalized single-speed mountain bike or commuter that's ready for any challenge.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Gnot-Boost rear spacing enhances compatibility with modern wheelsets\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Internal dropper post routing improves aesthetics and functionality\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Double-butted chromoly tubing balances weight and strength\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Designed for easy singlespeed conversions with designated attachment points\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Steel fork adds durability and a classic aesthetic\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eOptimize your cycling experience with the Surly Lowside Frameset - the ultimate blend of rugged steel construction, innovative design, and versatile performance, perfect for riders who crave adventure both on and off the beaten path. Order now and start customizing your ideal mountain or urban bike today!\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium 4130 Chromoly steel frame with double-butted main triangle for enhanced durability, lightweight performance, and smooth ride quality, ideal for versatile city riding and trail adventures. \u003c\/li\u003e\n\u003cli\u003eEngineered with Gnot-Boost rear spacing and internal dropper seatpost routing, offering increased wheel compatibility (27.5 x 2.8 tires) and a clean cable setup for quick adjustments and long-term reliability. \u003c\/li\u003e\n\u003cli\u003eDesigned for singlespeed riding with a dedicated derailleur hanger (no Trip Guides), providing a minimalist, low-maintenance setup that's perfect for urban commuting, trail exploration, and mountain biking fun. \u003c\/li\u003e\n\u003cli\u003eFeatures a robust steel rigid fork and included thru-axles (15mm front\/12mm rear) for precise handling, enhanced stiffness, and compatibility with various wheel and tire combinations for optimized performance across terrains. \u003c\/li\u003e\n\u003cli\u003eStylish \"Blue Monday\" color finish combined with a versatile design suitable for both everyday riding and weekend trail rides, making it an ideal choice for riders seeking a durable, stylish, and adaptable frameset.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":43051159879747,"sku":"MTBF0272","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FM1353_127d8daf-1977-405d-95de-05ad1f5e5c95.jpg?v=1779357520","url":"https:\/\/365cycles.com\/products\/mtbf0272","provider":"365 Cycles","version":"1.0","type":"link"}