Spine 500 Carbon Express Maxima Sable vs Spine 300 Carbon Express Maxima Triad: specs compared
Updated 05 September 2026.
10.9 GPI
Spine 300 Carbon Express Maxima Triad wins on grains per inch
On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 6.5 GPI.
| Spec | Spine 500 Carbon Express Maxima Sable | Spine 300 Carbon Express Maxima Triad |
|---|---|---|
| Model | Carbon Express Maxima Sable RZ | Carbon Express Maxima Triad XSD |
| Brand | Carbon Express | Carbon Express |
| Spine | 500 | 300 |
| Outside diameter | .285 in OD | .251 in OD |
| Weight | 6.5 GPI | 10.9 GPI |
| Grains per inch | 6.5 GPI | 10.9 GPI |
| Inside diameter | .244 in | .166 in |
| Stock nock | CX Launchpad.244 precision nock (9.9 gr) | micro (.166) nock |
| Stock insert | CX insert (11 gr, spine-specific) | Carbon Express In-Out insert (97 gr), spine-specific |
| Point thread | 19/64 field points | 8-32 |
| Straightness | +/-.002 in | +/-.002 in |
| Suits | a lighter draw of roughly 25 to 45 lb | a heavy draw of roughly 65 lb and up |
Questions and answers
Which has the higher grains per inch, Spine 500 Carbon Express Maxima Sable or Spine 300 Carbon Express Maxima Triad?
On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 6.5 GPI.
How do Spine 500 Carbon Express Maxima Sable and Spine 300 Carbon Express Maxima Triad compare?
On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 6.5 GPI.