From PSWPower

Bafang Mid Drive Motor Controller Waterproof Gaskets Washer For Repair Replace 8FUN BBS01B BB02B 36V 48V 250W 350W 500W 750W 


Controller Gasket:
Controller Gasket for BBS02B BBS01B controller only

Goes between the controller and motor casing

Motor Gasket:
This is the gasket that makes good seal with the motor. Only works with the BBS02.


 
Packing list:
1pcs Controller Gasket or Motor Gasket

Return & Refund:
After receiving the item,buyer should start a return within 7 days.Return postage will be paid by buyer.The return items must be in original conditions never used.Buyer can not return to sender address,we will provide local return address to buyer.
 
Feedback:
Your satisfaction and positive feedback is very important for us, it will be very kind of you to leave us 5 stars feedback, if you have any problems, don`t hesitate tocontact us, we will do our best to serve with you.