2025 Trek Bikes FX Sport 4 L
Build
700C/29 in × 40 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 620mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 508mm |
| Top Tube Length, Effective/Horizontal Center | 583mm |
| Top Tube Slope | 13.7deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 442mm |
| Chainstay Length Horizontal | 437.2mm |
| Front-Center | 641.1mm |
| Front-Center Horizontal | 637.8mm |
| Wheelbase | 1075mm |
| Fork Offset/Rake | 50mm |
| Trail | 64.7mm mid/neutral |
| Mechanical Trail | 61.4mm |
| Wheel Flop | 19.5mm |
| Standover Height | 812mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1777mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 9 in to 6 ft 1 in |
Source:https://www.trekbikes.com/us/en_US/bikes/hybrid-bikes/fitness-bikes/fx/fx-sport-4/p/47243/?colorCode=red_black