2026 Trek Bikes FX Sport AL 3 XL (60)
Build
700C/29 in × 42 mm
Insights
Design deviates from other sizes of Trek Bikes FX Sport
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 648mm |
| Reach | 409mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, C-C | 520mm |
| Top Tube Length, Effective/Horizontal Unknown | 613mm |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 215mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 288mm |
| Chainstay Length | 447mm |
| Chainstay Length Horizontal | 442.3mm |
| Front-Center | 648mm |
| Front-Center Horizontal | 644.8mm |
| Wheelbase | 1087mm |
| Fork Offset/Rake | 50mm |
| Trail | 58.9mm mid/neutral |
| Mechanical Trail | 56.2mm |
| Wheel Flop | 16.9mm |
| Standover Height | 836mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 120mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 113mm |
AL 3 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1793mm |
| Crank Length | 175mm |
| Handlebar Width | 690mm |
| Stem Length | 90mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 186 cm to 197 cm |
| PBH | 87 cm to 91 cm |
Source:https://www.trekbikes.com/pl/pl_PL/rowery/rowery-hybrydowe/rowery-fitness/fx/fx-sport/f/F421-1/fx-sport-al-3/58592/5339888