We use the Volta- drops not only on our old truck bike haulers but we use them on our bikes also.

http://shutter01.pictures.aol.com/d...CoNOJu8B3cEpSEaR21OJvD7StAiFa8U40300.jpg

[img]http://shutter01.pictures.aol.com/d...BYkZxJyxPHTJW9R65NQaOwX-cQuHecJS0235.jpg[/img]