2026 Megamo Upon Base M
Build
700C/29 in × 42 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 578mm |
| Reach | 398mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal HT Top | 553mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 142mm |
| Bottom Bracket Drop | 87mm |
| Bottom Bracket Height | 266mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 426.2mm |
| Front-Center | 630.8mm |
| Front-Center Horizontal | 624.8mm |
| Wheelbase | 1051mm |
| Fork Offset/Rake | 54.6mm |
| Trail | 63.8mm mid/neutral |
| Mechanical Trail | 60.4mm |
| Wheel Flop | 19.7mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 112.8mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 101mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1757mm |
| Crank Length | 165mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
| Features | E-bike |
Published Sizing Recommendations
| Height | 167 cm to 182 cm |
Source:https://www.megamo.com/en/e-bike/e-road/upon