The Smart S & X are available in 3-speed or 8-speed. The 3-speed uses a Sturmey Archer rear hub, and the 8-speed uses a Shimano Alfine hub.
Modified on: Tue, 6 Aug, 2019 at 4:19 PM
Did you find it helpful?Send feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.