hill help

jodie106@hotmail.com
edited May 2009 in Road general
hi wondered if someone can offer any advice
just bought a genesis croix de fer with a 10 speed shimano 105 cassette.12-25t wondered if upgrading the cassette to a 12-27 would be worthwhile.cant imagine the extra two teeth helping much but am probably wrong.would like that extra help on some steep climbs.any help?

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