2026 Trek Bikes Checkpoint ALR 5 Gen 3 XS
Build
700C/29 in × 42 mm
Insights
Somewhat aggressive 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 | 545mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 445mm |
| Top Tube Length, Effective/Horizontal Center | 536mm |
| Top Tube Slope | 13.1deg |
| Head Tube Angle | 71.2deg |
| Seat Tube Angle | 74.1deg |
| Head Tube Length | 96mm |
| Bottom Bracket Drop | 78mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428mm |
| Front-Center | 602.1mm |
| Front-Center Horizontal | 597.1mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 49mm |
| Trail | 68.4mm high |
| Mechanical Trail | 64.8mm |
| Wheel Flop | 20.9mm |
| Standover Height | 735mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 84.1mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 110mm |
ALR 5 Gen 3 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1731mm |
| Crank Length | 165mm |
| Handlebar Width | 40cm |
| 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 | 143 cm to 158 cm |
| PBH | 67 cm to 74 cm |
Source:www.trekbikes.com