An 06B 3/8" idler sprocket, 21 tooth with a 16mm bore. Used with long chain lengths or for chain tensioning.
* Complete with fully shielded and greased for life ball bearings.
* Also known as Jockey Sprockets
An 06B 3/8" idler sprocket, 21 tooth with a 16mm bore. Used with long chain lengths or for chain tensioning.
* Complete with fully shielded and greased for life ball bearings.
* Also known as Jockey Sprockets