I had a deal worked out with ltwoo regarding
Bring in to USA the electronic group set but they did not
Respond to providing me with a couple units for warranty exchange
For my USA based customers. The group set is great
And have it installed on 2 of my personal bikes
No problem with the set up and all went well..it now
Going on 1 and 1/2 years of full experience..
I'm glad you have yours working if I can help any one else
Be happy to.