Hope Brake Squealing

[spartan]

Hey guys its been a while since ive posted anything here but tryin to get back into it soo here goes.

Ive got one of the monty hope brakes and for some reason after the pads and rotor get a little warm it squeals really loudly whenever im not on the brakes.

Im just wondering how to get ride of the squeal because its really really annoying and a bit demoralizing if you know what i mean.

This seems to be the last in a seemingly endless series of problems so some help would really be appreciated.

Thanks,

Ian

[grant wildman]

the squealing from you break is most likley from break dust and the pads vibrating .

all you need is some good disc break cleaner (white lightning metal prep is good stuff) and give the break a once over , although it is safe to spray the pads with disc break cleaner , i wouldnt recommend it as you will have to bed them in again.

also i cant remember exactly what the piston are like on that break , but as they are magnetic and dont have a spring it might be worth while dabbing a little copper slip or titanium anti seize on the face of the piston so it stick to the pad and it will return with the piston better .

those are just things i would try .

grant

[Matt Burrows]

If it's squeaking when you're not pulling the brake, then it might just be a set up issue. Check your rotor is true, then check which pad it is catching on and respace the caliper to suit. If its still catching it could need the disc mount facing or new pistons seals and a service.

[spartan]

thanks for the help guys.

Ill throw some anti seize on there and see what happens.

Would you recomend just regular car disc brake cleaner or is there special stuff for bikes.

It could be my setup though im not sure.

I had to put a washer between the for and the hub on the disc side to stop the caliper from rubbing on the spokes. Plus im not sure if the pistons are retracting all the way there is about a millimeter or so of each piston sticking out.

Is it rebuild time then or should i just adjust my setup???

[grant wildman]

thanks for the help guys.

Ill throw some anti seize on there and see what happens.

Would you recomend just regular car disc brake cleaner or is there special stuff for bikes.

It could be my setup though im not sure.

I had to put a washer between the for and the hub on the disc side to stop the caliper from rubbing on the spokes. Plus im not sure if the pistons are retracting all the way there is about a millimeter or so of each piston sticking out.

Is it rebuild time then or should i just adjust my setup???

i dont see why car disc brake cleaner wouldnt work , but somtimes automotive products can be of a higher concetrate .

buy the sounds of things , id get the disc mount face (a circular cutting bit cuts the face of the disc mount flush with the axle so it will run true) , all good bike shops will have one , id say id lend you mine , but would cost a bit on postage!

maybe push the pistons back into the caliper to re-lube the piston (be carefull doing this and take the pads out as you dont want to damage the breaking surface , put old pads in or somthing to stop the pistons getting damaged.

hope you get it sorted mate

[Matt Burrows]

Yeah it sounds like you could need your disc mount faced, but I'd definitely try to re-set the brake before any more serious options. I'd clean and reset the pistons first. Remove the pads then clean the pistons with some gt85 and an old toothbrush. Once they are clean you can push them back in gently with the end of a small spanner or a flat headed screwdriver (this part is much easier when the brake is still bolted to the bike). Then you need to align the caliper and set the pistons. Hope have a decent video guide here . As your brake uses an IS mount caliper its a bit harder to centralise it properly. You need disc washers of varying thickness to get it spot on, but its really worth the time and effort! It'll give you a better working brake that will require less maintainance in the future. Go try this and report back, if it still rubs you should have a better idea of why and what to try next.