Slappy ST1 Truck Size and Weight Chart (Fall 2026)
Match the size of the truck to the size of your deck: Slappy sizes are named for the deck width they fit, so an 8.5 truck goes on an 8.5" deck.
Height: 53.9 mm for standard trucks; 50.0 mm for Lows.
| Size (deck width, in) | Axle width (mm) | ST1 Classic (g) | ST1 Hollows (g) | ST1 Lows (g) | ST1 Ultra Low Inverted Hollow Lights (g) |
|---|---|---|---|---|---|
| 7.5 | 123.5 | 359 | 340 | 329 | 323 |
| 7.75 | 130 | 367 | 347 | 336 | 330 |
| 8.0 | 136 | 374 | 354 | 343 | 337 |
| 8.25 | 143 | 381 | 361 | 360 | 344 |
| 8.5 | 149 | 388 | 368 | 357 | 351 |
| 8.75 | 156 | 395 | 375 | 364 | 358 |
| 9.0 | 162 | 402 | 382 | 371 | 365 |
| 9.25 | 168 | 409 | 389 | 378 | 372 |
| 9.5 | 174 | 417 | 396 | 385 | 379 |
| 10.0 | 187 | 432 | 410 | 399 | - |
| 10.5 | 200 | 447 | 442* | - | - |
| 11.0 | 212.5 | 462 | 458* | - | - |
| 12.0 | 238 | 492 | 487* | - | - |
| 13.0 | 263 | 557 | 551 | - | - |
All weights are per truck. *10.5, 11.0 and 12.0 Hollows have a hollow kingpin with a solid axle.
Find Your Slappy Angle
Grind clearance and Slappy angle for Slappy trucks and other popular trucks, as listed in the Slappy Fall 2026 catalog.
| Truck | Grind clearance (mm)* | Slappy angle (degrees)** |
|---|---|---|
| Slappy Ultra Low Inverted Hollow Light | 12.5 | 25 |
| Slappy Inverted Kingpin | 9 | 20 |
| Slappy Classic | 6.3 | 15 |
| Venture High | 5.1 | 14 |
| Ace AF1 | 5.3 | 11 |
| Indy Mid 11 Inverted Kingpin | 6.3 | 9 |
| Indy Stage 11 | 3.9 | 8 |
| Thunder | 3.8 | 7 |
*Grind clearance is the number of millimeters from your kingpin to the top of your hanger. **Slappy angle is the angle your trucks give you before the kingpin catches on smiths, feebles, hurricanes, Bennett and Barley grinds, measured with an iPhone. The larger the angle, the less kingpin snag.