Numpty chain length calc
hi
i am changing cassettes from 12-26 to 11-23 with compact cranks (50-34). How much, if at all, do i need to shorten my chain ...??
Also i have an existing chain which has been with the cassette for 500km or so. Is it possible to re-use this chain on the new cassette, or will chain and cassette already "become one"... :?:
Cheers
G
i am changing cassettes from 12-26 to 11-23 with compact cranks (50-34). How much, if at all, do i need to shorten my chain ...??
Also i have an existing chain which has been with the cassette for 500km or so. Is it possible to re-use this chain on the new cassette, or will chain and cassette already "become one"... :?:
Cheers
G
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