Review: Tate Labs Rain Fly Rear Mudguard

Fed up with a wet back (and crack), and want some protection from road and trail spray? This new Rain Fly guard from Tate Labs could well be the solution...

Many readers will have seen and/or used an Ass Saver mudguard. The neat laser-cut plastic flap slots underneath your saddle, and provides valuable protection for your rear; while adding only minimal weight and aerodynamic drag. It is a KISS (Keep It Simple Stupid) approach, to reducing the "mud-slick" effect.

The Ass Saver works well; but it isn't without its faults... The most significant downfall for the Swedish designed product, is that it rather too easily goes askew; exposing your back to your rear wheel. The second, is that it doesn't really provide protection for the back of your legs, or for a saddlebag or rear light housed on your seatpost.

The new Tate Labs Bar Fly Rain Fly promises to follow in the lightweight minimalist footsteps of the Ass Saver, but to overcome the two short-comings.

The guard attaches to your seat stays using simple zip-ties, which means it will fit onto almost any frame; whether road, cyclocross, or MTB. It sits solidly in place, and has proven resistant to moving; even with knocks, off-road riding and bike washing.

As mudguards go, the Tate Labs Rain Fly looks good, too. It looks aero, minimalist, and sleek. 'Fenders' are not meant to enhance the aesthetics of your bike, they are designed to improve comfort; but, this one doesn't take away too much from your bike's street credentials.

Crucially though, does it work?

I am pleased to say it does, rather well. Much like an Ass Saver, it significantly reduces the amount of mud and spray plastered onto your vulnerable back. In addition though, it also protects the back of your legs from spray; keeping them warmer and more comfortable. It also does a great job of keeping your seat-collar, saddlebag and rear light muck-free - all of which are worth protecting.

It is a similar KISS approach to the Ass Saver; but, I would argue it provides equal simplicity, but better protection.

KISS the mucky butt goodbye...


  1. Looks good, my problem is finding a similar front mudguard, the SKS lightweight ones won't fit as there are too many bosses for the disc brakes so you can't locate the braces on my Cannondale Touring 2. Want to keep it light!

  2. Bar Fly do also do a front version, although I have yet to test this. I'll see if I can get hold of one, and report back to you. Cheers, Tim


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