2025 Centurion Backfire Fit Pro 600
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XXS | XS | S | S | M | |
Stack | 588mm | 607mm | 626mm | 626mm | 645mm |
Reach | 363mm | 375mm | 387mm | 387mm | 399mm |
Stack to Reach Ratio | 1.62:1 | 1.62:1 | 1.62:1 | 1.62:1 | 1.62:1 |
Seat Tube Length, C-T | 330mm | 380mm | 430mm | 430mm | 480mm |
Top Tube Length, Actual C-C | 543mm | 561mm | 578mm | 578mm | 596mm |
Top Tube Slope | 30.7deg | 26.6deg | 22.7deg | 22.7deg | 19deg |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 110mm | 130mm | 150mm | 115mm | 135mm |
Bottom Bracket Drop | 45mm | 45mm | 45mm | 63mm | 63mm |
Bottom Bracket Height | 302.9mm | 302.9mm | 302.9mm | 7.4mm | 7.4mm |
Chainstay Length | 430mm | 430mm | 430mm | 440mm | 440mm |
Chainstay Length Horizontal | 427.6mm | 427.6mm | 427.6mm | 435.5mm | 435.5mm |
Front-Center | 618mm | 638mm | 655.9mm | 660.5mm | 679.5mm |
Front-Center Horizontal | 616.4mm | 636.4mm | 654.4mm | 657.5mm | 676.5mm |
Wheelbase | 1044mm | 1064mm | 1082mm | 1093mm | 1112mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 51mm | 51mm |
Fork Length, Unknown | 485mm | 485mm | 485mm | 505mm | 505mm |
Trail | 88.6mm very high | 88.6mm very high | 88.6mm very high | -27.6mm | -27.6mm |
Mechanical Trail | 82.7mm | 82.7mm | 82.7mm | -25.8mm | -25.8mm |
Wheel Flop | 29.6mm | 29.6mm | 29.6mm | -9.2mm | -9.2mm |
Standover Height | 662mm | 694mm | 727mm | 724mm | 756mm |
Tire to Pedal Spindle | 100.1mm 170 mm cranks | 120.1mm 170 mm cranks | 138mm 170 mm cranks | 420.2mm 170 mm cranks | 439.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 132.9mm 170 mm cranks | 132.9mm 170 mm cranks | 132.9mm 170 mm cranks | -162.6mm 170 mm cranks | -162.6mm 170 mm cranks |
Fit Pro 600 Build
XXS | XS | S | S | M | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD |
Tire Width | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Outer Diameter | 695.8mm | 695.8mm | 695.8mm | 140.8mm | 140.8mm |
Bike Length with Tires | 1739.8mm | 1759.8mm | 1777.8mm | 1233.8mm | 1252.8mm |
Published Sizing Recommendations
Height | 12 ft 1 in to | 12 ft 9 in to | 13 ft 5 in to | 13 ft 5 in to | 14 ft 1 in to |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTBSource:https://www.centurion.de/de-de/bike/970/backfire-fit-pro-600