2026 (V6) Black Mountain Cycles Monster Cross (Rim Brake) Base 46cm (650b)
Build
650B/27.5 in × 48 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Black Mountain Cycles Monster Cross (Rim Brake)
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 510mm |
| Reach | 364mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal Center | 505mm |
| Top Tube Slope | 7.8deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 421.9mm |
| Front-Center | 591mm |
| Front-Center Horizontal | 587.1mm |
| Wheelbase | 1009mm |
| Fork Offset/Rake | 60mm |
| Fork Length (On-Axis) | 385mm |
| Trail | 59.9mm mid/neutral |
| Mechanical Trail | 56.3mm |
| Wheel Flop | 19.3mm |
| Standover Height | 727mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 98mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 48mm |
| Tire Outer Diameter | 680mm |
| Bike Length with Tires | 1689mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
| Features | Single-speed capable |
Source:https://blackmtncycles.com/monstercross-tech-info/