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Upgrading to Di2. GRX or Ultegra?

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Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like : "Unbound Gravel". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

Upgrading to Di2. GRX or Ultegra?

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Old 07-30-19, 07:09 PM
  #26  
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Originally Posted by Koyote
FYI: That is just a shift mode called Synchro. A couple button pushes (on a junction box) will switch it to semi-synchro or the full manual control. I prefer full manual.
you can even change the shifting mode via Garmin headunit
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Old 04-25-21, 09:20 AM
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If thats a gravel bike, go for Di2 with a clutch deraileur. Both grx and ultegra mechanical are open construction shifters and you can put dirt inside very easily while riding harsh conditions. My mech grx just stopped shifting because od that.. Di2 shoukd not have this problem
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