| Qty | Part | SKU | |
|---|---|---|---|
| (4) | 20mm Pulley | 228-2500-164 | |
| (4) | Large Wheel Hub (64 mm) | 228-2500-1211 | |
| (6) | Small Wheel Hub (44 mm) | 228-2500-1208 | |
| (4) | Tire (100 mm Travel) | 228-2500-207 | |
| (4) | Tire (160 mm Travel) | 228-2500-210 | |
| (4) | Tire (200 mm Travel) | 228-2500-209 | |
| (4) | Tire (250 mm Travel) | 228-2500-212 |