Felt FX Advanced GRX 600
In stock at 1 shop in New York City
Prices and stock checked Oct 22.
Where to buy
1 shopAbout this bike
The Felt FX Advanced GRX 600 Bike is a cyclocross-bred machine that's equally at home on a fast gravel road as it is threading through a muddy CX course. Built around Felt's UHC Advanced + TeXtreme carbon fiber frame and fork, the FX Advanced pairs race-tested construction with a Shimano GRX drivetrain designed from the ground up for mixed-terrain riding. The result is a bike that's technically sophisticated, properly light, and versatile enough to handle whatever surface you point it at — all at a price point that makes the carbon accessible.
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The frame is the story here. Felt uses UHC Advanced carbon reinforced with TeXtreme spread-tow fabric — a technology originally developed for aerospace applications. TeXtreme's spread-tow weave allows fibers to lie flat in an ultra-thin layer rather than bundled in yarn, maximizing fiber volume and minimizing resin content. The outcome is a carbon layup that's measurably stiffer and lighter than conventional carbon weaves. Felt builds the FX frame using their InsideOut construction process, which produces a cleaner internal surface, sharper tube profiles, and more precise fiber placement than traditional mandrel-wrapped construction. The frame features a BB386 bottom bracket shell — a wide-diameter standard that supports a stiff 30mm crankset spindle and contributes to the torsional rigidity you feel when you sprint or pump out of a corner. The fork matches the frame in construction: UHC Advanced + TeXtreme carbon, purpose-designed for CX geometry and disc braking loads.
The drivetrain is Shimano GRX, built for riders who spend time off the pavement. The GRX600 shifter/lever hoods are ergonomically shaped for comfortable riding in rough conditions, while the GRX810 front and GRX812 rear derailleurs step up to the more refined shifting quality of Shimano's higher-tier GRX components. The crankset is GRX600 with a 46/30t chainring combination — well-suited to the wide range of gradients and surfaces this bike is designed for.…
