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Discussion Starter · #1 ·
i have a cannondale f5, have about 60 trail miles on bike in a little over a month. on last ride, a hum developed from the front wheel and the sound tends to resonate in the frame. took it to LBS i bought it from(hour away), and of course the sound goes away, but when i got home, its back. when i lift the bike off of the ground with tire barely spinning, its there, or trail riding, its there. seems more pronounced when wheel turned. any ideas?
 

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Have the shop check the front hub on the bike, the bearings may be dried out. Oh and you may need to have the back hub checked as well. I had a similar sound on my new Prophet this spring, so I took it apart and it was my rear hub bearings.
 

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Well, its not a matter of the level of bike, I had the issue on my Prophet, but never had anything of the sort on my Gemini. I think its just the luck of the draw, the hub would come pre-built to Cannondale, so its not really any fault of theirs. After they re-greased it, everything should be fine. If you ride through alot of water, you may want to have them checked a few times a season. Otherwise enjoy the new bike!
 
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