NERF Self-locking BCAR with 20 bearings in 10° incline 软蛋20轴10°自锁轴承管

NERF Self-locking BCAR with 20 bearings in 10° incline 软蛋20轴10°自锁轴承管

Description

You need to prepare 20 bearings(size:MF63ZZ) and 20 topwires(M3*12)

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