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Replace the 24/22T ring with this 20T riing in titanium and gain:
Compare to 22T: +9 % torque and 8 to 20 g lighter. (aluminium/steel)
Compare to 24T: +17% torque and 15 to 30 g lighter. (aluminium/steel)
With 4 titanium fixation screws M8x8, M8x12 oder M8x15 (make your choice)