Sunday Bikes has offered chain tensioners built into our hollow dropouts on select frames since 2007. Currently, it’s offered on the Soundwave, Funday 2.1 and Wave C frame. The system is really simple and will hold your wheel in place. During the filming of our Up, Up and Away video, Jake Seeley was having hub issues and rode a 10 day trip with his wheel barely tight. The chain tensioners were able to prevent his wheel from moving even though the axle was not fully tighten down. Here is a brief explanation of how they work.

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