Mountain Biking - chain rub???

Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.



PDA

View Full Version : chain rub???

luko3787
12-14-04, 09:33 PM
Im a newbie biker and i just bought a 2005 Rockhopper a few weeks ago. I noticed when ever i am in my 4 easiest gears in the rear, the chain rubs on the front derailleur bar. Is the chain ever supposed to rub on anything? Does something need to be adjusted???

CRUM
12-14-04, 09:37 PM
Yes, something needs to be adjusted. My advice - run it back to the LBS you bought it from and have them give it a tweak. And ask if you can watch.
seely
12-14-04, 09:37 PM
You have to pay attention to gear combinations... you can't be in your outermost gear up front and your innermost gear in the rear and vice versa... thats called "cross gearing" and will result in chain rub. If you just bought it a few weeks ago, the shop I'm sure has an adjustment policy and will take a look at it for you for free. Cables stretch and things go out of adjustment in the first few weeks.

Raiyn
12-14-04, 10:44 PM
You have to pay attention to gear combinations... you can't be in your outermost gear up front and your innermost gear in the rear and vice versa... thats called "cross gearing" and will result in chain rub. If you just bought it a few weeks ago, the shop I'm sure has an adjustment policy and will take a look at it for you for free. Cables stretch and things go out of adjustment in the first few weeks.Cross chaining is a bad thing. If done consistantly accelerated wear WILL develop
cryogenic
12-15-04, 02:10 AM
I had to get onto pwrd about that... He'd be on his inner ring on the 9th cog in the back and I'd have to scream at him to get onto his middle ring.. lol.. he's gotten the hang of it now. Didn't take much yelling to get him to realize what he was doing.