| 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 |