Easton
X10 Protour spine chart and specs
The Easton X10 Protour is a carbon/aluminum outdoor target arrow shaft offered in 10 spines from 340 to 770, weighing 6.0 to 8.8 grains per inch. Front-tapered compound flagship; GPI is the 29" average, weight biased toward the nock end.
X10 Protour spine chart
| Spine | GPI | OD | Bare @ 28″ | Bare @ 29″ | Bare @ 30″ | Build |
|---|---|---|---|---|---|---|
| 340 | 8.8 | 0.213″ | 246 gr | 255 gr | 264 gr | |
| 380 | 8.4 | 0.207″ | 235 gr | 244 gr | 252 gr | |
| 420 | 8.0 | 0.202″ | 224 gr | 232 gr | 240 gr | |
| 470 | 7.6 | 0.198″ | 213 gr | 220 gr | 228 gr | |
| 520 | 7.3 | 0.194″ | 204 gr | 212 gr | 219 gr | |
| 570 | 6.9 | 0.191″ | 193 gr | 200 gr | 207 gr | |
| 620 | 6.7 | 0.188″ | 188 gr | 194 gr | 201 gr | |
| 670 | 6.5 | 0.186″ | 182 gr | 189 gr | 195 gr | |
| 720 | 6.2 | 0.183″ | 174 gr | 180 gr | 186 gr | |
| 770 | 6.0 | 0.181″ | 168 gr | 174 gr | 180 gr |
Bare weights are shaft only (GPI × carbon-to-carbon length), before points, inserts, nocks and vanes. Diameters in inches.
Components and construction
Material
carbon/aluminum
Straightness
±0.001" · $499.99/dz at Lancaster
Nock system
Pin nock via #2 pin adapter, size-specific nock collar (#2-#5)
Point system
Glue-in break-off: tungsten or stainless 100-120 gr
Factory components
nock 8 gr
Street prices were captured at Lancaster in Sep 2026 and may have changed.