2025 Trek Bikes Checkpoint Gen 3 Base Medium/Large
Build
700C/29 in × 42 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 601mm |
| Reach | 397mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 530mm |
| Top Tube Length, Effective/Horizontal Center | 578mm |
| Head Tube Angle | 72deg |
| Seat Tube Exit Angle | 73.3deg |
| Head Tube Length | 151mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 277mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.2mm |
| Front-Center | 623.4mm |
| Front-Center Horizontal | 618.8mm |
| Wheelbase | 1042mm |
| Fork Offset/Rake | 49mm |
| Trail | 63.2mm mid/neutral |
| Mechanical Trail | 60.1mm |
| Wheel Flop | 18.6mm |
| Standover Height | 823mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 100.4mm |
| 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 | 1748mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 8 in to 5 ft 10 in |
Source:trekbikes.com, https://www.trekbikes.com/us/en_US/