I'm wondering what is the best brake fluid for my Daymak Arrow? Dot 3 or Dot 4 or is a mineral oil based brake fluid better? Also, I noticed that the brake fluid reservoir on one side has turned darker than the other. What would be the reason for that and is it time to change the fluid?
Type of Brake Fluid for Daymak Arrow
- Thread starter karen_w
- Start date
Deacon Blues
Well-Known Member
I'd contact Daymak. How many km on your Arrow?
Nova Haibike
Well-Known Member
It is not a question of which is better, but what the brakes were designed to use. You cannot substitute DOT for mineral oil. You should contact Daymak and ask them which is the appropriate fluid for your brakes.
The fluid is contaminated. Even though the system is sealed, stuff can get past seals, especially through the pistons in the caliper.
fooferdoggie
Well-Known Member
usually it will say on the brake lever.
Deacon Blues
Well-Known Member
Timpo, I think this is an e-scooter, not an ebike. Looking at their website the brakes look to be motorcycle-sized.
Karen, how do you know the blue fluid was mineral oil based? I'm no expert, but I think a braking system is going to be either mineral based or Dot 3/4 based and that they can't be switched.
I'd call Daymak again, just to make sure.
Karen, how do you know the blue fluid was mineral oil based? I'm no expert, but I think a braking system is going to be either mineral based or Dot 3/4 based and that they can't be switched.
I'd call Daymak again, just to make sure.
Timpo, I have an e-scooter. The braking system on my e-scooter have EABS Brakes (Electric Absorption Braking System). But your comment got me thinking that maybe I should get a synthetic Dot 4 brake fluid.
Deacon Blues, my husband found something to that effect in the online manual but I didn't see anything like that, just had a look. I'm assuming it's blue in colour to make it easier for a fluid change. That's my guess. When I called Daymak, they said to use a Dot 4 but I think I will go with a synthetic which sounds like it may be less corrosive to the braking system.
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Deacon Blues, my husband found something to that effect in the online manual but I didn't see anything like that, just had a look. I'm assuming it's blue in colour to make it easier for a fluid change. That's my guess. When I called Daymak, they said to use a Dot 4 but I think I will go with a synthetic which sounds like it may be less corrosive to the braking system.
https%3A//electricbikereview.com/forums/threads/type-of-brake-fluid-for-daymak-arrow.36747/']
Type of Brake Fluid for Daymak Arrow
I'm wondering what is the best brake fluid for my Daymak Arrow? Dot 3 or Dot 4 or is a mineral oil based brake fluid better? Also, I noticed that the brake fluid reservoir on one side has turned darker than the other. What would be the reason for that and is it time to change the fluid?
electricbikereview.com
Deacon Blues
Well-Known Member
I have used a blue colored brake fluid in the past, but that was on my racing/track car. The blue brake fluid had a really high boiling point, which is very important when you're braking hard over and over again.
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