2021 Soma Fabrications Double Cross Disc 650b 46
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of cyclocross bikes
Design deviates from other sizes of Soma Fabrications Double Cross
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal Center | 526mm |
| Top Tube Slope | 12.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 596mm |
| Front-Center Horizontal | 588.8mm |
| Wheelbase | 1008mm |
| Fork Offset/Rake | 44mm |
| Trail | 70.2mm high |
| Mechanical Trail | 66.4mm |
| Wheel Flop | 21.6mm |
| Standover Height | 742.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Disc 650b 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 | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 157 cm to 168 cm |
Source:https://www.somafab.com/archives/product/double-cross-disc, http://www.somafab.com/archives/product/double-cross-disc