Easton spine chart explorer
Select a draw weight and arrow length to see what fits.
Built by
Nathan Dorney
Bow
Recurve
Compound
Shafts
A/C & carbon
Aluminium
Easton recommended shaft spine range by bow weight and arrow length
Bow weight
21"
22"
23"
24"
25"
26"
27"
28"
29"
30"
31"
32"
33"
34"
<20 lb
<20 lb
2000
2000
2000–1800
1800–1700
1750–1400
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
21–26 lb
21–26 lb
2000
2000–1800
1800–1700
1750–1400
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
27–31 lb
27–31 lb
2000–1800
1800–1700
1750–1400
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
32–35 lb
32–35 lb
1800–1700
1750–1400
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
36–39 lb
36–39 lb
1750–1400
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
40–43 lb
40–43 lb
1450–1200
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
44–47 lb
44–47 lb
1250–1050
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
48–52 lb
48–52 lb
1080–880
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
300–250
53–57 lb
53–57 lb
900–750
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
300–250
250–200
58–62 lb
58–62 lb
800–700
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
300–250
250–200
250–200
63–67 lb
63–67 lb
720–625
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
300–250
250–200
250–200
250–200
68–73 lb
68–73 lb
675–600
640–570
575–500
525–450
475–400
440–370
400–340
370–310
340–300
300–250
250–200
250–200
250–200
200–150
weaker → stiffer
Each square is Easton's recommended shaft spine range, weakest first.