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Shimano hydraulic disk brakes

Created OnJuly 14, 2020
Last Updated OnJuly 14, 2020
byRob McEwen
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I have had some reports of the Shimano hydraulic brakes on the Ascent MD feeling spongy and as if they need more oil added and bleeding.These brakes are of the J-Kit type and they are a different beast from the Tekro hydraulic brakes that we are familiar with and they require somewhat special treatment.Before attempting to bleed them please read the info in the link below. 
https://community.bikehub.co.za/topic/163380-advice-for-shimano-brakes-with-j-kit/
As I understand it you can just add some oil to the top reservoir without too much drama.
It is also worth watching this video in case you ever have to fit a new lever assembly and calliper.https://vimeo.com/85855556
After the above I am sure that you will be pleased to know that we are going back to Tektro hydraulic brakes on the next shipment of Ascent MD’s. 

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