I have a iron horse warrior and i just got home from riding and toward the end of the ride i started to hear a cracking sound from the front end, i cant hear where exactly it is, but i can feel it in the bars. i checked the skewer and the springs and they are fine. i checked with a local bike shop last time it did it and they just checked it and said it might be the fork, but it cracks no matter what, i took my hands off the handlebars and i still heard it so its probably not comming from the fork, but i could be wrong. help please