NEW Shimano 105 RD-R7150 Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black price_changed_on_2023-02-22 Ratio:2 to 1

Ratio:2 to 1

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and a sleek black anodized finish

Bleed port is easily accessed

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NEW Shimano 105 RD-R7150 Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black price_changed_on_2023-02-22 Ratio:2 to 1The Shimano 105 RD R7150 Di2 12 speed rear derailleur completes a shift in the blink of an eye with its high performance motor and optimized link structure. This is the hub of the Shimano Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. Low profile Shimano Shadow RD design reduces damage from contact and falls Receive the wireless shifting signal from the shift lever Check the battery