Slappy - ST1 Inverted Hollow Lights/Ultra Low Kingpin 8.75" - Polished - Skateboard Trucks
$80.00 USD
- The gold standard for grind clearance
- Ultra Low Hollow kingpin / axle and shorter top bushing
- More grind clearance and increased Slappy angle
- No Hangups Guaranteed!
- Forged baseplate
- More kingpin thread for looser or tighter trucks
- No break in time
- Less wheel bite
- Quickest turn
- 100% Fun
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.
