Comments on: Actual Weights for Shimano GRX RX820 1 x 12 Speed Drivetrain
https://bikerumor.com/actual-weights-shimano-grx-rx820-1-x-12-speed-drivetrain/
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By: Grillis
https://bikerumor.com/actual-weights-shimano-grx-rx820-1-x-12-speed-drivetrain/#comment-3518593
Sun, 03 Sep 2023 18:34:05 +0000https://bikerumor.com/?p=337778#comment-3518593In reply to carbonnation.
12spd GRX will work with 12spd 105, but there is no mtb group cross compatibility (different pull ratios). Source: Escape Collective grx review.
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By: carbonnation
https://bikerumor.com/actual-weights-shimano-grx-rx820-1-x-12-speed-drivetrain/#comment-3518578
Sat, 02 Sep 2023 20:06:24 +0000https://bikerumor.com/?p=337778#comment-3518578Zach–any word on compatibility–which I know is a word Shimano refuses to learn. Will Shimano rear derailers work with the new 12-speed shifters?
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