This 7″ charge wheel is used with compatible rolling steel door spring assemblies to help adjust spring tension.
The wheel is also commonly referred to as a tension wheel or spring adjuster. It supports spring adjustment on commercial and industrial rolling door systems where controlled spring tension is required.
Available bore sizes include 1″, 1.25″, and 1.5″. Select the required bore size based on your shaft and spring assembly requirements.
Package Note*: Sold individually. Approximately 10 lb. each.

