Seller has something want to say:

Dear customer, this throttle/accelerator is only suitable for SMLRO electric bicycles. If your electric bicycle is not from SMLRO company, please do not place an order for this throttle.

This throttle is only suitable for electric bicycles with integrated lines. Please confirm whether your electric bicycle is with integrated lines before placing an order. Secondly, confirm whether your accelerator has a key. If so, please choose with keys option. If you don't have a key, please choose without keys option, thank you.

Dear customer, if you receive the product and are not satisfied with it, please communicate with us directly and do not leave bad comments easily. This will affect our after-sales service for you. We have a strong customer service team and professional service attitude. Please trust us and we will handle all after-sales services for you. Thank you.