Joined: Sep 2004
Posts: 1,272
Likes: 0
From: Western, NC .... (Pisgah, Bent Creek, DuPont)
Bikes: HARO Xtreme X2, K2 Lithium 3.0, K2 Beast, K2 Flyin' Monkey, DiamondBack Accent EX, DiamondBack Axis TR
1st thing to check is the seat post.
Tighten it if you can....