2019 Trek Bikes Checkpoint AL 4 54 cm
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 574mm |
| Reach | 378mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal Center | 548mm |
| Top Tube Slope | 10.3deg |
| Head Tube Angle | 71.8deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 135mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.2mm |
| Front-Center | 599.6mm |
| Front-Center Horizontal | 594.8mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 50mm |
| Trail | 60.1mm mid/neutral |
| Mechanical Trail | 57.1mm |
| Wheel Flop | 17.8mm |
| Standover Height | 775mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 84.1mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 94.5mm |
AL 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1704mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| 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 | 168 cm to 174 cm |
Source:https://www.trekbikes.com/ca/en_CA/bikes/adventure-touring-bikes/checkpoint/checkpoint-al/checkpoint-al-4/p/24971/