Administrators SickBiker Posted January 10, 2018 Administrators Share Posted January 10, 2018 Let's see how the Shimano 105 5800 rear mech shifts comparing to the new Shadow system on the Ultegra R8000: Quote Link to comment Share on other sites More sharing options...
Joemichael Posted January 11, 2018 Share Posted January 11, 2018 Hello Thank You for the helpful information that you provide on the Sick Biker Channel. My current Bike is a Kona Dewey 2017 and would like to know of which derailleurs are suitable? It comes with entry level small cage Altus, I do not know what derailleurs can be fitted the 9 speed Altus has longer cage?, Quote Link to comment Share on other sites More sharing options...
Administrators SickBiker Posted January 13, 2018 Author Administrators Share Posted January 13, 2018 Do you only want to upgrade the rear derailleur? Here's the compatibility chart of 9 speed and 8 speed MTB derailleurs. Yours is 8 speed. Quote Link to comment Share on other sites More sharing options...
crashday Posted October 10, 2018 Share Posted October 10, 2018 I recently broke my 105 5800 rear derailleur on my road bike and looking for new one. Which one do you recommend? Is the r8000 worth upgrading from 5800? Quote Link to comment Share on other sites More sharing options...
Administrators SickBiker Posted December 5, 2018 Author Administrators Share Posted December 5, 2018 On 10/10/2018 at 10:30 AM, crashday said: Is the r8000 worth upgrading from 5800? Good news - the shadow RD is now available for 105: http://tidd.ly/91fb921 Quote Link to comment Share on other sites More sharing options...
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