Product Features:

* Brand new high quality.

* Made of high quality materials, durable.

* Used to replace electric bike hub motor nuts, usually for 500W-5000W motors with 12/14mm shaft.

Product parameters:

* Material: steel

* Color: black and silver (as shown)

* Weight: about 20g

* specifications: M12 / M14

Package list:

1 set of screw cap