2026 Trek Bikes CheckOUT Base XL
Build
700C/29 in × 50 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Trek Bikes CheckOUT
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 673mm |
| Reach | 435mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 560mm |
| Top Tube Length, Effective/Horizontal HT Top | 628mm |
| Top Tube Slope | 13deg |
| Head Tube Angle | 69.4deg |
| Seat Tube Angle | 72.6deg |
| Head Tube Length | 182mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 293mm |
| Chainstay Length | 442mm |
| Chainstay Length Horizontal | 436.7mm |
| Front-Center | 716.5mm |
| Front-Center Horizontal | 713.3mm |
| Wheelbase | 1150mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 470mm |
| Trail | 87.6mm very high |
| Mechanical Trail | 82mm |
| Wheel Flop | 28.9mm |
| Standover Height | 861mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 185.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 123mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1872mm |
| Suspension Type | Full suspension |
| Bar Type | Drop Bar |
| Fork Travel | 60mm |
| Rear Travel | 55mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.trekbikes.com/us/en_US/bikes/road-bikes/gravel-bikes/checkout/f/F226/checkout-sl-5/57827/5338095