2020 Trek Bikes Checkpoint AL 4 56
Build
700C/29 in × 32 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 590mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, Unknown | 525mm |
| Top Tube Length, Effective/Horizontal Unknown | 560mm |
| Top Tube Slope | 9.4deg |
| Head Tube Angle | 72.2deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.2mm |
| Front-Center | 602.6mm |
| Front-Center Horizontal | 597.8mm |
| Wheelbase | 1021mm |
| Fork Offset/Rake | 50mm |
| Trail | 57.6mm mid/neutral |
| Mechanical Trail | 54.9mm |
| Wheel Flop | 16.8mm |
| Standover Height | 794mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 89.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
AL 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1707mm |
| 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/