2019 Trek Bikes Checkpoint ALR 4 56 cm
Build
700C/29 in × 35 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 | 586mm |
| Reach | 387mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 560mm |
| Top Tube Length, Effective/Horizontal HT Top | 566mm |
| Top Tube Slope | 5.2deg |
| Head Tube Angle | 72.2deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 270mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.2mm |
| Front-Center | 606.6mm |
| Front-Center Horizontal | 601.9mm |
| Wheelbase | 1020mm |
| Fork Offset/Rake | 49mm |
| Trail | 59.6mm mid/neutral |
| Mechanical Trail | 56.8mm |
| Wheel Flop | 17.4mm |
| Standover Height | 808mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 90.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 100mm |
ALR 4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1712mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 173 cm to 180 cm |
| PBH | 81 cm to 85 cm |
Source:https://www.trekbikes.com/ie/en_IE/bikes/road-bikes/gravel-bikes/checkpoint/checkpoint-alr/checkpoint-alr-4/p/22628/