I have reset a 135mm MTB frame (steel obviously) to 120mm and it worked. Works. Took a fair bit of doing with chunky seatstays, beefy brake brace and 26" geometry, but got there in the end.
@Olly398 started
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I have reset a 135mm MTB frame (steel obviously) to 120mm and it worked. Works. Took a fair bit of doing with chunky seatstays, beefy brake brace and 26" geometry, but got there in the end.