Component location: Center of wheel
This product includes :
3x3.5mm Metal Countersink Washer 4pcs
Stainless steel Flat brain Screw 3x12 4pcs
Major top features of upgrading towards part/product:
1. The original wheel hub diameter is 3.5mm. You will see space if install with exclusive 3mm screws. The product can fit better.
2. Initial installation should be to fix directly by screws, this system has upgraded to repairing by countersink washer and screws. This may easily provide wheel better.