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A 700c carbon frame fitness bike with upper mid-range components and hydraulic disc brakes.
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2023 Trek FX Sport 4 – Specs, Comparisons, Reviews – 99 Spokes
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TREK FX Sport 4 Bike (2023): Get Fit and Fun with The Perfect
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2023 Trek FX Sport 4 – Specs, Comparisons, Reviews – 99 Spokes