2021 v3 BlackHeart Bike Company BlackHeart AL Frameset (650b wheels) 52
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of BlackHeart Bike Company BlackHeart
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 551mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Slope | 5.9deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 422mm |
| Chainstay Length Horizontal | 415.8mm |
| Front-Center | 591mm |
| Front-Center Horizontal | 586.2mm |
| Wheelbase | 1002mm |
| Fork Offset/Rake | 47mm |
| Fork Length (Axle-To-Crown) | 400mm |
| Trail | 63.9mm mid/neutral |
| Mechanical Trail | 60.6mm |
| Wheel Flop | 19.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 82mm |
| 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 | 1680mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 168 cm to 173 cm |
Source:https://blackheartbikeco.com/pages/geometry