2022 Soma Fabrications Jawbone A-Type 50
Build
650B/27.5 in × 2.2 in
Insights
Average stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Soma Fabrications Jawbone
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 563mm |
| Reach | 361mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 523mm |
| Top Tube Slope | 18.5deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 66mm |
| Bottom Bracket Height | 281.9mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 440.1mm |
| Front-Center | 600mm |
| Front-Center Horizontal | 595.9mm |
| Wheelbase | 1036mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 420mm |
| Trail | 73.4mm high |
| Mechanical Trail | 69mm |
| Wheel Flop | 23.6mm |
| Standover Height | 738mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 82.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111.9mm |
A-Type Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 695.8mm |
| Bike Length with Tires | 1731.8mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://www.somafab.com/wp-content/uploads/2022/10/soma_geochart_jawbone-A-my22.jpg