2026 Leon Frameworks Monstra Base XL
Build
650B/27.5 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Leon Frameworks Monstra
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 636.6mm |
| Reach | 434.4mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal HT Top | 620mm |
| Top Tube Slope | 14.3deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 283mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 696.7mm |
| Front-Center Horizontal | 693.2mm |
| Wheelbase | 1112.4mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 461mm |
| Trail | 85mm very high |
| Mechanical Trail | 79.6mm |
| Wheel Flop | 27.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 173.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 113mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1818.3mm |
| Stem Length | 80mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Drop Bar |
| Fork Travel | 50mm |
| Suspension Sag | Unknown |
| Frame Material | Titanium |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://titaniumbikestore.com/boutique/gravel/leon-frameworks-monstra-2025/