Is it feasible to convert a Dahon Mariner D7 to use a belt drive and an internal 7 speed hub? Any ballpark estimates for cost of parts?

I ask because I am rehabilitating my Dahon sailing bike of 15 years and want to eliminate the mess of a chain.

I understand that it would require a Split Belt Drive and that adding an internal hub might be challenging.

  • There are belt systems with split belt and tensioner which should work: bikeradar.com/news/… Internal Gear hubs (e.g. Shimano’s Alfine 8) should also be compatible. I think the biggest problem with belt drives can be insufficient stiffness of the frame.
    – Michael
    Commented Feb 15, 2022 at 15:09

1 Answer 1


Alright Doc.

There doesn't appear to be any way to tension a chain or belt on the D7, so it's purely derailleur and chain only.

You could consider using wax based chain lubricants on a new chain to minimise mess.

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