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your bike has a Giant OD2 stem (1 1/4") or an older quill style stem (7/8"/22
Works with 9
Max cassette range: 11-36t
YEP Uptimizer
It can all be done with the post on the bike
Shimano Post Frame Or Fork To Post Caliper Brake Mount - F 180-203mm - R 180-203mm - MA90 Ultimate Level YGroup_7033415434285 your bike has a GiantPost to post brake mounts allow you to run your brakes with a different sized rotor. The model you need depends on what size post mounts your fork frame has, and what size rotor you want to run. Ultimate adaptors are XTR level and use a lighter alloy with more cutouts to save a couple of grams in weight. F 160 180mm R 140 160mm 160 180mm: +20mm increase Allows for 180mm rotors on 160mm post mounts. F 180 203mm R 180 203mm: +23mm increase Allows for a
