2022 Sour Bicycles Big Fun Base M
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 629.4mm |
| Reach | 465mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, Unknown | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 605mm |
| Top Tube Slope | 23.3deg |
| Head Tube Angle | 63.5deg |
| Seat Tube Angle | 76.5deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 62.5mm |
| Bottom Bracket Height | 314.5mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.4mm |
| Front-Center | 797mm |
| Front-Center Horizontal | 794.6mm |
| Wheelbase | 1220mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 551mm |
| Trail | 131mm very high |
| Mechanical Trail | 117.2mm |
| Wheel Flop | 52.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 250mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 144.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1974.1mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Suspension Sag | 25% |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://sour.bike/en/please-welcome-the-big-fun/