dingle cog on a track frame |
I just found out about DS yesterday. A simple concept, minimalist and practical. It is dual-speed single speed.
Yes, if you're thinking about bailing out while riding the minimalist single speed, this may be for you.
I'm keeping this entry simple, so you have to hop on to the links below as they are pretty much comprehensive.
Explanation (a good one):
http://wilddogbicycles.blog.com/dingle-speed/
More explanation, rationale and uses (or excuses):
http://dornochdingle.blogspot.my/2012/02/idea-of-dingle.html
Parts (from Surly):
http://surlybikes.com/parts/drivetrain/dingle_cog
Photo credit:
http://www.cyclofiend.com/cc/2007/cc267-philipwilliamson0307.html