2025 Black Mountain Cycles Mod.Zero Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
47cm | 50cm | |
Stack | 588mm | 607mm |
Reach | 366mm | 370mm |
Stack to Reach Ratio | 1.61:1 | 1.64:1 |
Seat Tube Length, C-T | 470mm | 500mm |
Top Tube Length, Effective/Horizontal Unknown | 540mm | 555mm |
Top Tube Slope | 15.4deg | 14deg |
Head Tube Angle | 71.5deg | 71.5deg |
Seat Tube Angle | 73deg | 73deg |
Head Tube Length | 140mm | 160mm |
Bottom Bracket Drop | 72mm | 72mm |
Bottom Bracket Height | 265mm | 265mm |
Chainstay Length | 438mm | 438mm |
Chainstay Length Horizontal | 432mm | 432mm |
Front-Center | 601mm | 611mm |
Front-Center Horizontal | 597mm | 607mm |
Wheelbase | 1029mm | 1039mm |
Fork Offset/Rake | 55mm | 55mm |
Fork Length, Unknown | 410mm | 410mm |
Trail | 54.8mm mid/neutral | 54.8mm mid/neutral |
Mechanical Trail | 51.9mm | 51.9mm |
Wheel Flop | 16.5mm | 16.5mm |
Standover Height | 778mm | 802mm |
Tire to Pedal Spindle | 94mm 170 mm cranks | 104mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 95mm 170 mm cranks | 95mm 170 mm cranks |
Base Build
47cm | 50cm | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 45mm | 45mm |
Tire Outer Diameter | 674mm | 674mm |
Bike Length with Tires | 1703mm | 1713mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:https://blackmtncycles.com/info/frame-geometry-charts/, https://blackmtncycles.com/mod-zero-tech-info/