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Giant MCR Chainset(1 post)

Giant MCR ChainsetPurple Giant
Jun 1, 2002 12:56 AM
Is it safe to use as smaller inner chainring than the 42 supplied on a Giant MCR? The gear is too tall for me ( I would like to use a 39 or 36), but I wonder if it has been selected by Giant to keep the chain away from the adjacent delicate monocoque shell of the bike.

Is there a way to protect the monocoque from the chain accidentally slipping inboard, off the chainrings? Any ideas would be appreciated!