Thread: Shimano GRX 10-speed Rear Derailleur compability issues
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Old 09-30-19 | 03:52 PM
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dsbrantjr
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Originally Posted by jimc101
This is where total clarity is needed, 4600 (older Tiagra 10 speed) is compatiable with all other Shimano road 10 speed, current 4700 Tiagra 10 isn't.
Awfully nice of manufacturers to do that sort of thing.
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