Thread: Tiagra question
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Old 05-08-21 | 08:24 PM
  #9  
Russ Roth
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Bikes: 2010 Carrera Volans, 2015 C-Dale Trail 2sl, 2017 Raleigh Rush Hour, 2017 Blue Proseccio, 1992 Giant Perigee, 80s Gitane Rallye Tandem

Originally Posted by Krix
Please correct me if im wrong but GRX needs to be in DI2? I am not sure what it is though but it's different from the cables right? Will it be okay?
No, if it is a cable pull GRX der then it will work with 4700 Tiagra. I'm not familiar enough with GRX to know if there is a DI2 line, maybe in the 800 level, but the 400 series is 10sp cable, and the 600 series is 11sp cable.
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