2019 Trek Bikes Checkpoint AL 4 58 cm
Build
700C/29 in × 32 mm
Insights
Somewhat upright 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 | 607mm |
| Reach | 382mm |
| Stack to Reach Ratio | 1.59:1 |
| Seat Tube Length, Unknown | 548mm |
| Top Tube Length, Effective/Horizontal Center | 568mm |
| Top Tube Slope | 8.7deg |
| Head Tube Angle | 72.3deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.6mm |
| Front-Center | 608.9mm |
| Front-Center Horizontal | 604.4mm |
| Wheelbase | 1028mm |
| Fork Offset/Rake | 50mm |
| Trail | 57mm mid/neutral |
| Mechanical Trail | 54.3mm |
| Wheel Flop | 16.5mm |
| Standover Height | 816mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 90.9mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 94mm |
AL 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1714mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 100mm |
| 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 | 180 cm to 185 cm |
Source:https://www.trekbikes.com/ca/en_CA/bikes/adventure-touring-bikes/checkpoint/checkpoint-al/checkpoint-al-4/p/24971/