sq225917
Retro Guru
Take the USE Alien off unless you want a nasty introduction to the top of your seat post, they are barely good enough for aggressive road riding never mind using on an MTB. Mine just passes muster on my road bike and even then if i sit down on it hard after getting out of the saddle it tends to change angle.
it's come off entirely more than once.
it's come off entirely more than once.