2021 Format 1313 Base s
Build
650B/27.5 in × 2.6 in
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Format 1313
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 616.4mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.54:1 |
| Seat Tube Length, C-T | 380mm |
| Top Tube Length, Effective/Horizontal Center | 577mm |
| Top Tube Slope | 26.5deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 50mm |
| Bottom Bracket Height | 308mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 425.1mm |
| Front-Center | 697.6mm |
| Front-Center Horizontal | 695.8mm |
| Wheelbase | 1120.9mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 522mm |
| Trail | 96.6mm very high |
| Mechanical Trail | 88.9mm |
| Wheel Flop | 34.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 169.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 138mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 716.1mm |
| Bike Length with Tires | 1837mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://format.bike/catalog/mtb/format-1313-plus-2022/