not at f**kin all i love them i have like a bagilion diffrent pairs so i thought about and they bolt right up and they have like 7 ish inches of travle i have them on the softest when im on trail and the never bottom out and they r nice and when i take them on treack al u do is take ur had and twist the shock and it harden it i have mxzx shocks with rezs but the regulars r fine