So I've just recently within the last 12 weeks or so got into road cycling to improve my fitness and so far I'm really enjoying it.
I know soon the weather will get worse and nights will get darker so i'm looking at getting a turbo trainer to try and maintain my fitness through the winter months.
A couple of smart trainers i'm looking at come with 11 speed cassettes already on them, however the bike i'm riding at the moment only has a 9 speed cassette (11-34T).
So my question is (and may be a stupid one!)... Am i better buying a turbo trainer without a cassette for cheaper and using the cassette from my rear wheel, or can you "adapt" the 11 speed cassette on the trainer to remove a couple of cogs to make it a 9 speed cassette or is it not as simple as that? As i'm assuming I can't just attach my bike and start riding due to the difference in cassettes?
Any help would be much appreciated, thanks in advance.
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