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So i need a new 8-speed cassette for my mongoose D70r, can i get a 11-32 cog if mine is a 11-28?



so i need a new 8-speed cassette for my mongoose D70r, the cassette on it is a 11-28 cog, can i change it to a 11-30 or a 11-32 8-speed cassette?

I usually get "thumbs down" for answers like this.

The answer to your question is no. Usually.

The TY28 derailleur on your bike has a maximum capability of 28 teeth. Additionally, you'd need to get a longer chain as mentioned earlier.

If your bike has an ALTUS rear derailleur instead of the TY28 (it just says "Shimano" on it) then 30T won't be a problem but you'll definitely need a longer chain.

One other thing... I think your bike has a freewheel, not a cassette, so before you buy something make sure you get the correct thing. Source(s): 27 years in the industry
Very likely yes. You may also need a longer chain. Most (but not all) derailleurs handle up to 32 t cogs. If your chain is on the long side now it may work as is, try it.
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