2013 v.1 Soma Fabrications Grand Randonneur Base 52
Build
650B/27.5 in × 32 mm
Insights
Design deviates from other sizes of Soma Fabrications Grand Randonneur
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 523mm |
| Reach | 393mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal Center | 545mm |
| Top Tube Slope | 2.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 259mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420mm |
| Front-Center | 618mm |
| Front-Center Horizontal | 616mm |
| Wheelbase | 1036mm |
| Fork Offset/Rake | 69mm |
| Trail | 32.7mm low |
| Mechanical Trail | 31.1mm |
| Wheel Flop | 9.6mm |
| Standover Height | 746mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 124mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 89mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 648mm |
| Bike Length with Tires | 1684mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:http://somafab.blogspot.com/2013/06/soma-grand-randonneur-official-geometry.html