Amtryke Sizing Chart
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1Amtryke Sizing Chart
15-21
13-17
AM-10
55
40
45
10
24
38
21
19-24
15-20
AM-12S
150
40
45
12
27
38
24
21-29
14-23
AM-12
150
47
45
12
36
60
32
24-36
18-27
AM-16
175
66
55
16
36
68
33
32-46
18-30
AM-20
250
74
80
20
45
72
32
15-21
12-20
1410
55
40
45
10
24
38
21
17-22
9-13
Snappy
150
42
45
12
30
38
24
21-26
14-22
1412
125
42
72
12
13
43
27
24-30
14-22
1416
175
60
74
16
49
58
30
27-33
18-28
1420
250
68
74
20
50
64
30
28-43
20-32
1420XL
275
76
89
20
43
72
29
28-36
22-30
2722
275
72
76
24
42
60
30
JT-2000/
30-41
20-28
250
74
80
20
48
72
32
JT2300USS
300
75
47
20
33
63-70
33
36-45
17-29
TP-3000
22-41
22-26
1024
250
72
74
20
45
75
32
Front 16
22-41
22-26
HP-1000
250
74
80
45
72
32
Rear 20
All trykes in the Hand & Foot section can be converted to Hand trykes – except the AM-20.
A Center of Shoulder
HELMET SIZING
RIDER'S MEASUREMENTS
B Center of Elbow
Arm Measurements (inches) Total Length
Youth Sizes
Head Circumference Inches
C Center of Digit Crease
XXS
18.5 to 19.5
Left
A to B + B to C =
XS
20.5 to 22
Right
A to B + B to C =
D Center of Hip
(greater trochanter)
S/M
22 to 23.6
Trunk
A to D =
E Center of Knee
L/XL
23.6 to 25.75
Leg Measurements (inches) Total Length
F Bottom of Foot
Adult Sizes
Head Circumference Inches
Left
D to E + E to F =
S/M
22 to 23.6
Right
D to E + E to F =
L/XL
23.6 to 25.75
Updated 6/23/17
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