2021 Trek Bikes Checkpoint ALR 61 cm
Build
700C/29 in × 40 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 | 638mm |
| Reach | 397mm |
| Stack to Reach Ratio | 1.61:1 |
| Seat Tube Length, C-T | 610mm |
| Top Tube Length, Effective/Horizontal HT Top | 592mm |
| Top Tube Slope | 5.4deg |
| Head Tube Angle | 72.6deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 200mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 277mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.5mm |
| Front-Center | 629.9mm |
| Front-Center Horizontal | 625.5mm |
| Wheelbase | 1044mm |
| Fork Offset/Rake | 49mm |
| Trail | 58.7mm mid/neutral |
| Mechanical Trail | 56mm |
| Wheel Flop | 16.7mm |
| Standover Height | 858mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 103.9mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 102mm |
ALR Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1746mm |
| Crank Length | 175mm |
| Handlebar Width | 44cm |
| Stem Length | 110mm |
| 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 | 184 cm to 191 cm |
| PBH | 86 cm to 90 cm |
Source:https://www.trekbikes.com/de/de_DE/bikes/rennräder/gravel-bikes/checkpoint/checkpoint-alr/checkpoint-alr-f/s/p/32692/?colorCode=tealdark