2020 Trek Bikes Checkpoint AL 4 49
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Trek Bikes Checkpoint
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 541mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 440mm |
| Top Tube Length, Effective/Horizontal Unknown | 518mm |
| Top Tube Slope | 13.4deg |
| Head Tube Angle | 71.4deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 78mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 422.9mm |
| Front-Center | 587.3mm |
| Front-Center Horizontal | 582.1mm |
| Wheelbase | 1005mm |
| Fork Offset/Rake | 50mm |
| Trail | 62.7mm mid/neutral |
| Mechanical Trail | 59.4mm |
| Wheel Flop | 19mm |
| Standover Height | 723mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 74.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 95mm |
AL 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1691mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.trekbikes.com/us/en_US/bikes/road-bikes/gravel-bikes/checkpoint/checkpoint-al/checkpoint-al-4/p/24971/