2019 Trek Bikes Checkpoint AL 4 44 cm
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 | 531mm |
| Reach | 368mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, Unknown | 390mm |
| Top Tube Length, Effective/Horizontal Center | 505mm |
| Top Tube Slope | 18.2deg |
| Head Tube Angle | 70.6deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 263mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 422.5mm |
| Front-Center | 585mm |
| Front-Center Horizontal | 579.5mm |
| Wheelbase | 1002mm |
| Fork Offset/Rake | 50mm |
| Trail | 67.8mm high |
| Mechanical Trail | 63.9mm |
| Wheel Flop | 21.2mm |
| Standover Height | 685mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 77mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 98mm |
AL 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1688mm |
| Crank Length | 165mm |
| Handlebar Width | 380mm |
| Stem Length | 70mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 150 cm to 153 cm |
Source:https://www.trekbikes.com/ca/en_CA/bikes/adventure-touring-bikes/checkpoint/checkpoint-al/checkpoint-al-4/p/24971/