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I have an older ? Jamis boss bike with a 7or 8 speed rear derailer that I cant find adjustment specs for ??? Any help out there? it has a shimano Altus deerailer thanks
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Derailleur position should have nothing to do with being able to reinsert the cable binding bolt, and unless the cable is very loose the tension is adjusted with the barrel adjuster at the end of the cable housing.
Are adjustment screws all the way out? If so, frame won't accommodate this cog. ITs too wide. Sometimes a frame spreader will correct. This repair is difficult to do, contact local bike shop for assistance
The screws adjust how far the derailer can move. If you can't get to the gear on the outside then loocen the screw in the outside. If you can't get the biggest gear loosen the other screw.
For most derailers, loosening it will do what you want but watch the derailer move. If it moves the wrong way, turn the screw the other way. If you still need some help, I suggest you contact your local bike shop for help.
You would have to change your right lever.Its more than likely your right lever clicks 8 times to accommodate your 8 speed rear cluster.Oh.. and your rear derailier might have to be upgraded too.You might get away with the rear derailier because a 9 speed rear cluster sprockets will be closer together.This means you also have to change your chain to a narrower chain.If it were me,I wouldnt do it.It could cost you big dollars for one extra sprocket.But thats your choise .Cheers
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