How-To (Updated )

HJC RPHA 90 VS 90S

According to HJC rep the differences are minor but as follows:

  1. they changed the ratcheting system a little.
  2. It’s now compatible with the SMART HJC communication system.

 

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Categories: How-To
Tags: differencedifferencesHJCRPHA 90rPHA 90s

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