i was thinking about upsizing the rear rotor to 185 on my handjob. i'm running a 185 in front already and have noted significant improvement in the braking power when i upsized. the question is whether i'd see any improvement with the back, given that these are mechanical brakes and all that cable already makes the rear brake not that useful unlike a hydraulic brake where a bigger size would actually make a difference.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: bb7 rotor upsize