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Vertical Oscillation: The amount of bounce while you are
running. The vertical motion of your torso, measured
in centimeters for each step.
Vertical Ratio: The ratio of vertical oscillation to stride
length.
Vertical Speed: The rate of ascent or descent over time.
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 www.CooperInstitute.org.
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
58
20–29
55.4
54
51.1
48.3
45.4
44
41.7
40.5
<41.7
<40.5
20–29
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 Speed to Target: The rate of ascent or descent to
a predetermined altitude. You must be navigating for
this data to appear.
Work: The accumulated work performed (power
output) in kilojoules.
30–39
40–49
52.5
46.4
42.4
38.5
<38.5
30–39
40–49
45.3
39.7
36.3
33
<33
the circumference of your wheel or use one of the calculators
available on the internet.
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
50–59
60–69
48.9
45.7
43.4
39.5
39.2
35.5
35.6
32.3
<35.6
<32.3
50–59
60–69
41.1
37.8
36.7
33
33
30
30.1
27.5
<30.1
<27.5
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
70–79
42.1
36.7
32.3
29.4
<29.4
70–79
36.7
30.9
28.1
25.9
<25.9
Appendix
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