I recently bought the Marin Alpine Trail 7 secondhand
and is perfect and everything runs smoothly except there is a really annoying clank/clunk
(definitely from somewhere on the rear of the bike
) every-time i go off a kerb, down a bumpy track or when i go over bumpy berms.
I don't hear the noise on really slow technical rock gardens but when i get faster then fast-walking/jogging pace it starts to become really noticeable on any bumps. When going downs a fast single track or any fast trails with rocks it sounds like something is about the just fall off.
I know for a fact its not that the bushings are needing replacement on my rear shock because there is no movement near my linkage. The chain is very loose when i am in the hardest gear but gets more tight the more easier the gears, the chain isn't really stretched because the bike shop said to wait a few more months before replacing it.
My right crank-arm has a little-bit of play when in a certain position but otherwise I have no clue what could be causing this clank when i go over small bumps.
Any ideas what could be the problem? What is making the noise? What I should look out for? What I should do?