2021 v3 BlackHeart Bike Company BlackHeart AL Frameset (650b wheels) 54
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 567mm |
| Reach | 381mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal Center | 560mm |
| Top Tube Slope | 5.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 135mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 422mm |
| Chainstay Length Horizontal | 415.8mm |
| Front-Center | 596mm |
| Front-Center Horizontal | 592.2mm |
| Wheelbase | 1008mm |
| Fork Offset/Rake | 47mm |
| Fork Length (Axle-To-Crown) | 400mm |
| Trail | 60.7mm mid/neutral |
| Mechanical Trail | 57.8mm |
| Wheel Flop | 17.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
AL Frameset (650b wheels) Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1686mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 173 cm to 178 cm |
Source:https://blackheartbikeco.com/pages/geometry