2026 Trek Bikes CheckOUT Base MD
Build
700C/29 in × 50 mm
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 617mm |
| Reach | 407mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal HT Top | 589mm |
| Top Tube Slope | 17.1deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 74.2deg |
| Head Tube Length | 122mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 442mm |
| Chainstay Length Horizontal | 436.4mm |
| Front-Center | 672.2mm |
| Front-Center Horizontal | 668.6mm |
| Wheelbase | 1105mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 470mm |
| Trail | 90.4mm very high |
| Mechanical Trail | 84.4mm |
| Wheel Flop | 30.2mm |
| Standover Height | 804mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 141.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 121mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1827mm |
| 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