This question already has an answer here:
- Problems with a slipping seatpost 7 answers
My bike's quick release seat has been slipping down recently.
I noticed when my (pro) biker friend remarked how low down the seat on my bike was, and helpfully readjusted it for me. Biking became easier. Yesterday, while biking, I noticed that biking was difficult again, so dismounted and checked the seat -- it was way down again.
So I fixed it.....but what can I do to make sure it doesn't happen again?