An Independent Abomination

[Mark McM]

Originally Posted by unterhausen

People like double top tubes for some reason. No accounting for taste.

Double top tubes can improve the frame's torsional stiffness (presuming standard diameter/gauge tubing is used), and has long been used on larger frames and/or for heavier riders. In particular, big frames for big riders can be prone to shimmying, and double top tubes can help mitigate this.