SickBiker

Shimano 105 5800 rear derailleur vs Ultegra R8000 Shadow.

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SickBiker

Let's see how the Shimano 105 5800 rear mech shifts comparing to the new Shadow system on the Ultegra R8000:

 

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Joemichael

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?, 

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SickBiker

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.

rd.jpg

rd1.jpg

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crashday

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?

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