Spine 400 Carbon Express Maxima Sable vs Spine 500 Carbon Express Maxima Sable: specs compared
Updated 05 September 2026.
7.5 GPI
Spine 400 Carbon Express Maxima Sable wins on grains per inch
On grains per inch, Spine 400 Carbon Express Maxima Sable leads: 7.5 GPI versus 6.5 GPI.
| Spec | Spine 400 Carbon Express Maxima Sable | Spine 500 Carbon Express Maxima Sable |
|---|---|---|
| Model | Carbon Express Maxima Sable RZ | Carbon Express Maxima Sable RZ |
| Brand | Carbon Express | Carbon Express |
| Spine | 400 | 500 |
| Outside diameter | .290 in OD | .285 in OD |
| Weight | 7.5 GPI | 6.5 GPI |
| Grains per inch | 7.5 GPI | 6.5 GPI |
| Inside diameter | .244 in | .244 in |
| Stock nock | CX Launchpad.244 precision nock (9.9 gr) | CX Launchpad.244 precision nock (9.9 gr) |
| Stock insert | CX insert (11 gr, spine-specific) | CX insert (11 gr, spine-specific) |
| Point thread | 19/64 field points | 19/64 field points |
| Straightness | +/-.002 in | +/-.002 in |
| Suits | a medium draw of roughly 45 to 65 lb | a lighter draw of roughly 25 to 45 lb |
Questions and answers
Which has the higher grains per inch, Spine 400 Carbon Express Maxima Sable or Spine 500 Carbon Express Maxima Sable?
On grains per inch, Spine 400 Carbon Express Maxima Sable leads: 7.5 GPI versus 6.5 GPI.
How do Spine 400 Carbon Express Maxima Sable and Spine 500 Carbon Express Maxima Sable compare?
On grains per inch, Spine 400 Carbon Express Maxima Sable leads: 7.5 GPI versus 6.5 GPI.