2025 Centurion Backfire Fit Pro 600

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 Scale
Source:https://www.centurion.de/de-de/bike/970/backfire-fit-pro-600