Product Features:
* 100% 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 caps