The Generation 4 ASS SAVERS is the outcome of combining the ORIGINAL and the EXTENDED version and improving both stability and clip mechanism.  Designed for tires 30-50mm, with upto 55mm compatibility.

The BIG version is the additional improvement of the previous WIDE version, that also now offers more stability and better attachment.

This is a HOT item that can't be missed. The ongoing improvements really come to fruition and delivering a powerful fender that easily clips on your saddle in a pinch.

Well, given all these improvements, the Gen 4 may already be a viable fender for your ride at this point. Ride on ASS SAVERS!