So I got these on my alum rims and wonder if they're the right kind (wont corrode the rims).
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not sure what your trying to ask

 

Are you asking will these weights will mess up you wheels..... All weights will leave marks on your wheels.. Your best bet is use the hammer on style weights on the rear of the rim then use sticky weights on the inside... Some balancers will even compensate and hide the stickys behind the spokes.

I dont use weights on the outside for the reason i dont like the look of them and it messes up the clear coat on the wheel as well as scratches it

 

all clip on weights like that will leave marks around the outside of the rim when removed.

i dont see any problem with corrosion, except from scratching off the clear coat.

as said above if you go to a shop they can use tape weight instead of clips in the front.

 

have the weights put on the inside of the wheels.