Bike-on-Bike
Default Config
700C/29 in × 32 mm
Insights
Somewhat aggressive stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Black Mountain Cycles Road
Somewhat upright stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Rivendell Bicycle Works Roadeo
Geometry
Stack | 622mm | 621mm -1mm |
Reach | 409mm | 389mm -20mm |
Stack to Reach Ratio | 1.52:1 | 1.6:1 |
Seat Tube Length, C-T | 620mm | 610mm -10mm |
Top Tube Length, Effective/Horizontal Center | 605mm | 590mm -15mm |
Top Tube Slope | 3deg | 4.1deg +1.1deg |
Head Tube Angle | 73deg | 73deg +0deg |
Seat Tube Angle | 72.5deg | 72deg -0.5deg |
Head Tube Length | 200mm | — |
Bottom Bracket Drop | 73mm | 75mm +2mm |
Bottom Bracket Height | 270mm | 268mm -2mm |
Chainstay Length | 428mm | 435mm +7mm |
Chainstay Length Max | — | 435mm |
Chainstay Length Horizontal | 421.7mm | 428.5mm +6.8mm |
Chainstay Length Horizontal Max | — | 428.5mm |
Front-Center | 632mm | 605.6mm -26.4mm |
Front-Center Horizontal | 628.3mm | 600.9mm -27.4mm |
Wheelbase | 1050mm | 1029.4mm -20.6mm |
Wheelbase Max | — | 1029.4mm |
Fork Offset/Rake | 48mm | 43mm -5mm |
Fork Length (On-Axis) | 375mm | — |
Trail | 54.7mm mid/neutral | 59.9mm +5.2mm mid/neutral |
Mechanical Trail | 52.3mm | 57.3mm +5mm |
Wheel Flop | 15.3mm | 16.8mm +1.5mm |
Standover Height | 852mm | 858mm +6mm |
Tire to Pedal Spindle | 119mm 170 mm cranks | 92.6mm -26.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 100mm 170 mm cranks | 98mm -2mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm +0mm |
Tire Outer Diameter | 686mm | 686mm +0mm |
Bike Length with Tires | 1736mm | 1715.4mm -20.6mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Rim | Rim |
Meta
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| Source | https://blackmtncycles.com/tech-info/frame-geometry/ | Bike Counterculture Geometry Database |
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