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Percentile
Color Zone
in Zone
Orange 5–29
<5
Red
VO2 Max� Standard Ratings
These tables include standardized classifications for VO2 max. estimates by age and gender.
Males
Percentile
Superior
95
Excellent
80
Good
60
Fair
40
Poor
0–40
Females
Percentile
Superior
95
Excellent
80
Good
60
Fair
40
Poor
0–40
Data reprinted with permission from The Cooper Institute. For more information, go to
FTP Ratings
These tables include classifications for functional
threshold power (FTP) estimates by gender.
Males
Superior
5.05 and greater
Excellent
From 3.93 to 5.04
Good
From 2.79 to 3.92
Fair
From 2.23 to 2.78
Untrained
Less than 2.23
Females
Superior
4.30 and greater
Excellent
From 3.33 to 4.29
Good
From 2.36 to 3.32
Fair
From 1.90 to 2.35
Untrained
Less than 1.90
FTP ratings are based on research by Hunter Allen and
Andrew Coggan, PhD, Training and Racing with a Power
Meter (Boulder, CO: VeloPress, 2010).
Wheel Size and Circumference
Your speed sensor automatically detects your wheel
size. If necessary, you can manually enter your wheel
circumference in the speed sensor settings.
The tire size is marked on both sides of the tire. This
is not a comprehensive list. You can also measure
the circumference of your wheel or use one of the
calculators available on the internet.
Appendix
Vertical Oscillation
Range at Chest
9.8–11.5 cm
>11.5 cm
20–29
30–39
55.4
54
51.1
48.3
45.4
44
41.7
40.5
<41.7
<40.5
20–29
30–39
49.6
47.4
43.9
42.4
39.5
37.8
36.1
34.4
<36.1
<34.4
Watts per Kilogram (W/kg)
Watts per Kilogram (W/kg)
Vertical Oscillation
Range at Waist
11.0–13.0 cm
8.7–10.1%
>13.0 cm
>10.1%
40–49
52.5
48.9
46.4
43.4
42.4
39.2
38.5
35.6
<38.5
<35.6
40–49
45.3
41.1
39.7
36.7
36.3
33
33
30.1
<33
<30.1
Tire Size
20 × 1.75
20 × 1-3/8
22 × 1-3/8
22 × 1-1/2
24 × 1
24 × 3/4 Tubular
24 × 1-1/8
24 × 1.75
24 × 1-1/4
24 × 2.00
24 × 2.125
26 × 7/8
26 × 1-1.0
26 × 1
26 × 1.25
26 × 1-1/8
26 × 1.40
26 × 1.50
26 × 1.75
26 × 1.95
26 × 2.00
26 × 1-3/8
26 × 2.10
26 × 2.125
26 × 2.35
26 × 1-1/2
Vertical Ratio at
Vertical Ratio at
Chest
10.1–11.9%
>11.9%
50–59
60–69
45.7
39.5
35.5
32.3
<32.3
50–59
60–69
37.8
33
30
27.5
<27.5
www.CooperInstitute.org
Wheel Circumference (mm)
1515
1615
1770
1785
1753
1785
1795
1890
1905
1925
1965
1920
1913
1952
1953
1970
2005
2010
2023
2050
2055
2068
2068
2070
2083
2100
Waist
70–79
42.1
36.7
32.3
29.4
<29.4
70–79
36.7
30.9
28.1
25.9
<25.9
.
67
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