{"product_id":"madone-sl-disc-f-s-47-deep-dark-blue","title":"Trek Madone SL Disc Frameset Gen 6 Carbon Road Bike","description":"\u003cp\u003eThe Trek Madone SL Disc Frameset is an \u003cstrong\u003eaerodynamic road racing frame\u003c\/strong\u003e built on Trek's \u003cstrong\u003e500 Series OCLV Carbon\u003c\/strong\u003e with the KVF (Kammtail Virtual Foil) tube profile — the same proprietary tube shape developed in the wind tunnel to reduce drag across the full frame. This is a frame-only purchase for riders who want to build a custom aero race bike on their own terms, speccing drivetrain, wheels, and cockpit to suit their exact setup.\u003c\/p\u003e\u003cp\u003eThe defining feature is \u003cstrong\u003eadjustable top tube IsoSpeed\u003c\/strong\u003e, a compliance system in which the seat tube rotates independently from the top-tube-to-seatstay junction, tunable via an elastomer to match rider preference for road feel versus stiffness. Disc brake mounting (flat mount), a T47 threaded bottom bracket shell, and full internal cable routing round out a platform purpose-built for a clean, aggressive build.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRiders who want a custom-built aero road bike and prefer sourcing their own groupset, wheels, and components\u003c\/li\u003e\n\u003cli\u003eExperienced builders comfortable speccing a full drivetrain to a frameset\u003c\/li\u003e\n\u003cli\u003eRiders seeking Madone-level aerodynamics at a lower entry point than a complete bike\u003c\/li\u003e\n\u003cli\u003eAvailable in a single size (47cm) and one color — riders who need a different fit should consider a complete Madone build or other frameset offerings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e47cm fits smaller riders\u003c\/strong\u003e — review Trek's geometry chart carefully; stack, reach, and standover figures are published for this size only\u003c\/li\u003e\n\u003cli\u003eMechanical front derailleurs require a \u003cstrong\u003efull-housing stop\u003c\/strong\u003e (e.g., Shimano toggle-type) due to the internal cable routing design — verify compatibility before speccing a build\u003c\/li\u003e\n\u003cli\u003eSeatpost sold separately in two lengths and two offsets; factor this into your build budget and fit plan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e500 Series OCLV Carbon with KVF Tube Shape.\u003c\/strong\u003e The frame uses Trek's 500 Series OCLV (Optimum Compaction Low Void) Carbon, a layup process that minimizes voids in the laminate for consistent strength-to-weight performance. Every tube follows the KVF (Kammtail Virtual Foil) profile — a truncated teardrop shape that reduces aerodynamic drag while staying within UCI-legal widths.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAdjustable Top Tube IsoSpeed.\u003c\/strong\u003e IsoSpeed decouples the seat tube from the top-tube-to-seatstay junction, allowing vertical flex without affecting lateral pedaling stiffness. The adjustable version adds an elastomer-damped tuning mechanism so riders can dial compliance up or down to match different road conditions or personal preference — a feature rarely found on aero framesets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDisc Brakes and Thru-Axle Platform.\u003c\/strong\u003e Flat mount disc tabs front and rear, paired with a 12x100mm front and 142x12mm rear thru-axle via Bontrager Switch hardware, deliver consistent braking and a stiff, precise wheel interface. The disc platform also opens up tire clearance beyond what rim brake designs allow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFull Internal Cable Routing.\u003c\/strong\u003e All housing runs invisibly through the frame and matching KVF full carbon fork. The fork includes carbon dropouts and a tapered carbon steerer. Note: mechanical front derailleurs must use a full-housing-stop system for compatibility with this routing design.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Wind-tunnel-developed KVF aero tube shape, tunable IsoSpeed compliance system, flat mount disc brakes, clean internal routing throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Single size and color only; seatpost sold separately; mechanical FD compatibility is not universal with internal routing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e Adjustable IsoSpeed is specific to this frameset — the ability to tune vertical compliance on an aero frame is uncommon at this price point\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio, we see this frameset as a compelling entry into Madone-level aerodynamics for the rider who wants to build something specific rather than buy off the floor. The adjustable IsoSpeed tuning system is a genuine differentiator — it gives this frame a versatility most dedicated aero designs simply don't offer.\u003c\/p\u003e","brand":"Trek","offers":[{"title":"Deep Dark Blue \/ 47","offer_id":53530899480883,"sku":"5259930","price":1599.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/4e3e2f2b3d601dae60caa80ac1b0644af61b5809.jpg?v=1782153367","url":"https:\/\/victorybicyclestudio.com\/products\/madone-sl-disc-f-s-47-deep-dark-blue","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}