The rim squashing problem can be solved by having a point of contact immediately above where the rim touches the ground as in the Peugeot concept bicycle [1] li

The rim squashing problem can be solved by having a point of contact immediately above where the rim touches the ground as in the Peugeot concept bicycle [1] linked from the Reddit page [2]. You can then have a light-weight rim. [1] http://www.carbonfibergear.com/peugeot-redefines-the-bicycle-with-the-b1k-concept/ http://www.carbonfibergear.com/peugeot-redefines-the-bicycle... [2] http://www.reddit.com/r/technology/comments/b2g91/spokeless_bicycle/ http://www.reddit.com/r/technology/comments/b2g91/spokeless_...