*活动带塑料防尘圈
*刹车自带解锁踏板，刹车块为尼龙材质，
不伤胎面
珠盘结构:
| 万向 | 固定 | 边剎 | 解锁后剎 | 轮径x轮宽 | 旋转半径(刹车) | 轮组总高 | 荷重 |
|---|---|---|---|---|---|---|---|
| C516S/PP4200B3 | C516R/PP4200B3 | C516BA/PP4200B3 | C516TJ/PP4200B3 | 102x50 | 80 (120) | 142 | 250 |
| C516S/PP5200B3 | C516R/PP5200B3 | C516BA/PP5200B3 | C516TJ/PP5200B3 | 127x50 | 99 (120) | 167 | 300 |
| C516S/PP6200B3 | C516R/PP6200B3 | C516BA/PP6200B3 | C516TJ/PP6200B3 | 152x50 | 114(120) | 189 | 350 |
| C516S/PP8200B3 | C516R/PP8200B3 | C516BA/PP8200B3 | C516TJ/PP8200B3 | 203x50 | 150 (120) | 239 | 450 |
