6 votes

Are ST-5800 shifters compatible with hydraulic brakes?

As an alternative to the expense of upgrading to hydraulic STIs, there are cable-to-hydraulic adapters available. I recall seeing some Genesis road bikes equipped with them in a local bike shop. We ...
Greg Shailes's user avatar
5 votes
Accepted

Are ST-5800 shifters compatible with hydraulic brakes?

You need to change your shifters. Brake levers designed to pull wires cannot be modified to push fluid. You might choose to install hydraulic brake calipers that are cable-operated but that's just an ...
Criggie's user avatar
  • 121k
4 votes
Accepted

Is there a quick and reliable way to identify hydraulic brake fluid?

So I tried out myself a little experiment to determine if it was possible to differentiate mineral oil from DOT oil without relying on its colour. Hypothesis Since mineral oil is hydrophobic and DOT ...
olliebulle's user avatar
  • 4,111
4 votes

Are ST-5800 shifters compatible with hydraulic brakes?

STIs include the internals actuating the brakes, i.e. the mechanism pulling the cable or the reservoir including the brake fluid etc. For this reason, they are not interchangable, even within the same ...
DoNuT's user avatar
  • 3,264
4 votes

New Hydraulic hoses sealed

Usually the hoses need cutting down and a new barb fitting (supplied in the box), making the question redundant. The olive is in the shifter body already. If you don't need to cut down the hose, you ...
Noise's user avatar
  • 13.6k
1 vote
Accepted

New Hydraulic hoses sealed

The number of views and the lack of answers has allowed me to determine that what I have has been pre-assembled and tested for a specific manufacturer. I am guessing that the hoses were disconnected ...
mt_subnet's user avatar
1 vote

Scratched hydraulic brake hose during install - should I be concerned?

Your assessment it is cosmetic is correct. Hydraulic hoses are similar in many ways to the outer of mechanical brakes with layers providing specific function. They have an inner liner (to keep the ...
mattnz's user avatar
  • 49.1k
1 vote

Is there a quick and reliable way to identify hydraulic brake fluid?

Safety first - I'd web-search the caliper's model number and see what fluid it is supposed to have. Then I'd flush the whole lot out and put in the correct fluid. Work the action a bunch of times, ...
Criggie's user avatar
  • 121k

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