2025 Trek Bikes Checkpoint Gen 3 Base Extra Large
Build
700C/29 in × 42 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Trek Bikes Checkpoint Gen 3
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 640mm |
| Reach | 408mm |
| Stack to Reach Ratio | 1.57:1 |
| Seat Tube Length, C-T | 575mm |
| Top Tube Length, Effective/Horizontal Center | 601mm |
| Head Tube Angle | 72.4deg |
| Seat Tube Exit Angle | 73.3deg |
| Head Tube Length | 191mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 277mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.2mm |
| Front-Center | 643.3mm |
| Front-Center Horizontal | 638.8mm |
| Wheelbase | 1062mm |
| Fork Offset/Rake | 49mm |
| Trail | 60.6mm mid/neutral |
| Mechanical Trail | 57.7mm |
| Wheel Flop | 17.5mm |
| Standover Height | 865mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 107mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1768mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 6 ft 2 in to 7 ft 0 in |
Source:trekbikes.com, https://www.trekbikes.com/us/en_US/