SOURCE: how to adjust front and rear shifting gear
You have to screw the cable adjuster all the way in for starters. Then you pull the derauiler all the out to the largest sprocket nearest the spokes and tighten the cable down here. Now there are 2 adjusting screws that limit the travel and adjust these ever so slighty as a little goes a long ways. Shift therough the gears with the bike inverted is the best method while doing all of this. You will be able to make the adjustment so the derauiler goes from the largest to smallest sprocket by these 2 screws if done properly. you may eventually have to tighten the cable adjuster also in some cases for proper travel.
Better off if you let a shop do this if you go tofar you can throw the derauiler into the spokes and mess everythign up BIGTIME for the few $$'s it amy cost ya. GOOD LUCK
SOURCE: front suspension to soft on mongoose xr-75
The front forks aren't adjustable, as you probably figured out. You can, however, get harder springs if the springs can be accessed at the top of the fork tube. If not, do what I did on my mountain bike. I bought a better pair of adjustable forks that I found on eBay. It will take a bit of investigation on your part regarding the dimensions of the forks, so you get the correct length and width where the forks fit onto the frame (and the overall desired fork length), but you'll be a lot happier with adjustables.
SOURCE: Chain on bike keeps slipping
If you bought it last night then you should be able to take it back. Take the receipt with you. Do NOT attempt to fix it yourself since you just bought it less than 30 days ago. Just exchange it or return it for refund.
SOURCE: loose handlebars on a Mongoose XR-75 mountain bike
Check the splines on the handle bar. Just loosen the "clamp" and slide the bar over to one side enough so you can tell if the are stripped or not. If they are then replace the bar, if not then reassemble and try to put a littlle extra torque on the bolt.
I have noticed with the 2 of these bikes that I have that the bars do not like to stay tight for long, they tend to work thier way loose about every other time we use them. I just keep tightening them untill the splines strip, then pick up a new bar.
Contact Mongoose for parts info at: www.Mongoose.com under "about" click ask mongoose.
Good luck.
SOURCE: mongoose tactic mountain bike / loose crank on
The crank has to be removed to tighten the nut that holds the gear on. I assume that is your problem is with the chain gear on the sproket that is loose
Testimonial: "I need a special tool to remove crank /nothing Ive ever seen"
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