{"product_id":"surly-midnight-special-frameset-650b-700c-steel-hi-viz-black-58cm","title":"Surly Midnight Special Frameset - 650b\/700c Steel Hi-Viz Black 58cm","description":"\u003cdiv\u003e\n\u003ch2\u003eMidnight Special Frameset 650b 700c Steel Hi Viz Black 58cm\u003c\/h2\u003e\n\u003cbr\u003e\nThe Midnight Special frameset blends comfort and speed for all‑day adventures beyond smooth pavement. Built around a 4130 CroMoly steel main triangle, this road‑plus frame absorbs road chatter while still delivering confident handling on gravel and pothole‑ridden streets. A rigid steel fork keeps steering precise and predictable under load. \u003cp\u003eThe frame supports both 650b road plus tires and traditional 700c setups, expanding your tire choices without compromising geometry. Flat‑Mount disc brakes provide reliable stopping power in mixed conditions, while three water bottle mounts, rack compatibility, and fender eyelets give you practical versatility for commutes, tours, or weekend gran fondos.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cul\u003e \u003cli\u003eFrame: 4130 CroMoly steel, double‑butted main triangle\u003c\/li\u003e \u003cli\u003eFork: steel, rigid, 1‑1\/8\" threadless\u003c\/li\u003e \u003cli\u003eBrake Type: Flat‑Mount disc\u003c\/li\u003e \u003cli\u003eAxles: Front 12mm thru x 100mm; Rear 12mm thru x 142mm\u003c\/li\u003e \u003cli\u003eTire Clearance: 27.5x2.35 (no fenders), 700c x 42mm (no fenders); with fenders 650b x 50, 700c x 38\u003c\/li\u003e \u003cli\u003eBottle Mounts: three sets\u003c\/li\u003e \u003cli\u003eColor\/Finish: Black Hi Viz inspired aesthetic\u003c\/li\u003e \u003cli\u003eSize: 58 cm, designed for versatile road plus builds\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy Riders Choose the Midnight Special\u003c\/h3\u003e\n\u003cbr\u003e\nIdeal for endurance rides, mixed‑surface commutes, and adaptable bikepacking setups, this frameset delivers controlled ride quality on rough pavement while preserving sprint‑ready stiffness. It’s the dependable platform you can tailor with wheels, tires, and racks to match your miles, weather, and terrain. \u003cbr\u003e \u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Axle\u003c\/td\u003e\n\u003ctd\u003e12mm Thru x 142mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTT (Effective)\u003c\/td\u003e\n\u003ctd\u003e585\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork Type\u003c\/td\u003e\n\u003ctd\u003eRigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork Material\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Material\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Axle\u003c\/td\u003e\n\u003ctd\u003e12mm Thru x 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMfg Size\u003c\/td\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eMidnight Special\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefined Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e58Cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":49012467630320,"sku":"FM0458","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8142\/8720\/files\/surly-first-variant-sku-road-frames-8940458.jpg?v=1778414774","url":"https:\/\/stage21bikes.com\/products\/surly-midnight-special-frameset-650b-700c-steel-hi-viz-black-58cm","provider":"Stage 21 Bikes","version":"1.0","type":"link"}