| Type of robotics accessories | bracket wheel |
| Symbol | Manufacturer | Shaft dia. | Dia. | Thread | Shaft surface | Quan. |
|---|---|---|---|---|---|---|
| [mm] | [mm] | [pcs.] | ||||
| DF-FIT0523 | DFROBOT | 4 | 12 | M3 | smooth | 2 |
| POLOLU-2682 | POLOLU | 3 | 12 | - | smooth | 2 |
| POLOLU-1996 | POLOLU | 3 | 17.5 | M3 | smooth | 2 |
| POLOLU-1079 | POLOLU | 3 | 17.5 | #2-56 | D spring | 2 |
| POLOLU-1081 | POLOLU | 4 | 19 | #4-40 | smooth | 2 |
| POLOLU-1997 | POLOLU | 4 | 19 | M3 | smooth | 2 |
| POLOLU-2672 | POLOLU | 4 | 21.9 | - | D spring | 1 |
| POLOLU-1203 | POLOLU | 5 | 19 | #4-40 | smooth | 2 |
| POLOLU-1998 | POLOLU | 5 | 19 | M3 | smooth | 2 |
| POLOLU-2673 | POLOLU | 5 | 21.9 | - | D spring | 1 |
| POLOLU-2687 | POLOLU | 6 | 12 | - | smooth | 2 |
| POLOLU-2674 | POLOLU | 6 | 21.9 | - | D spring | 1 |
| POLOLU-1083 | POLOLU | 6 | 25.4 | #4-40 | smooth | 2 |
| POLOLU-1999 | POLOLU | 6 | 25.4 | M3 | smooth | 2 |
| POLOLU-2675 | POLOLU | 6.35 | 21.9 | M3 | smooth | 1 |
| POLOLU-1993 | POLOLU | 6.35 | 25.4 | #4-40 | smooth | 2 |
| POLOLU-1994 | POLOLU | 6.35 | 25.4 | M3 | smooth | 2 |
| POLOLU-2693 | POLOLU | 8 | 25.4 | M3 | smooth | 2 |