2025 Centurion Backfire Fit Pro 600 S
Build
650B/27.5 in × 2.2 in
Insights
Very upright stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Centurion Backfire
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 626mm |
| Reach | 387mm |
| Stack to Reach Ratio | 1.62:1 |
| Seat Tube Length, C-T | 430mm |
| Top Tube Length, Actual C-C | 578mm |
| Top Tube Slope | 22.7deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 302.9mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 427.6mm |
| Front-Center | 655.9mm |
| Front-Center Horizontal | 654.4mm |
| Wheelbase | 1082mm |
| Fork Offset/Rake | 42mm |
| Fork Length, Unknown | 485mm |
| Trail | 88.6mm very high |
| Mechanical Trail | 82.7mm |
| Wheel Flop | 29.6mm |
| Standover Height | 727mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 138mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 132.9mm |
Fit Pro 600 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 695.8mm |
| Bike Length with Tires | 1777.8mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Published Sizing Recommendations
| Height | 13 ft 5 in to |
Source:https://www.centurion.de/de-de/bike/970/backfire-fit-pro-600