*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/PU7640Crb/ME | C516R/PU7640Crb/ME | C516BA/PU7640Crb/ME | C516TJ/PU7640Crb/ME | 76x40 | 66(120) | 106 | 200 |
| C516S/PU1040Crb/ME | C516R/PU1040Crb/ME | C516BA/PU1040Crb/ME | C516TJ/PU1040Crb/ME | 100X40 | 80 (120) | 142 | 250 |
| C516S/PU1051Crb/ME | C516R/PU1051Crb/ME | C516BA/PU1051Crb/ME | C516TJ/PU1051Crb/ME | 100x51 | 80 (120) | 142 | 250 |
| C516S/PU1340Crb/ME | C516R/PU1340Crb/ME | C516BA/PU1340Crb/ME | C516TJ/PU1340Crb/ME | 130x40 | 99 (120) | 167 | 300 |
| C516S/PU1544Crb/ME | C516R/PU1544Crb/ME | C516BA/PU1544Crb/ME | C516TJ/PU1544Crb/ME | 150x44 | 114(120) | 189 | 350 |
| C516S/PU2044Crb/ME | C516R/PU2044Crb/ME | C516BA/PU2044Crb/ME | C516TJ/PU2044Crb/ME | 200x44 | 152（120） | 239 | 400 |
