Red Rubber Grease on brake master and caliper seals

Red Rubber Grease on brake master and caliper seals

Postby cross » Tue Nov 13, 2018 12:54 pm

Hi guys,

I was just wondering if using red rubber grease on brake master and caliper seals on assembly is really needed?
I've been rebuilding brake masters and calipers many times on my life but never have used this grease. Usually i would just lube it with brake fluid
Any thoughts on this?


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Sasha
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Re: Red Rubber Grease on brake master and caliper seals

Postby Larry Zimmer » Wed Nov 14, 2018 12:32 pm

Don't know what the red rubber grease is, Sasha. However, I would stay with just using brake fluid as you mentioned. Many brake component seals are very allergic to anything petroleum related. If they are external rubber parts, a touch of silicone would be OK. Don't want it to mix with brake fluid, though.
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Re: Red Rubber Grease on brake master and caliper seals

Postby cross » Wed Nov 14, 2018 1:32 pm

I don't think it's petroleum based. Some brake rebuild kits come with small pouches of it. It supposedly prevents seals from drying out
http://www.redrubbergrease.com/

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Re: Red Rubber Grease on brake master and caliper seals

Postby steve murdoch icoa #5322 » Wed Nov 14, 2018 9:28 pm

Never heard of that stuff.
The articles on rebuilding calipers and master cylinders shows they are not shy in smearing the product on everything. hmmmmm.
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Re: Red Rubber Grease on brake master and caliper seals

Postby Larry Zimmer » Wed Nov 14, 2018 10:55 pm

Most interesting, Sasha. Had never heard of this RRG. Given its vegetable base, might well be worth investigating. Some type of 'grease' beneath protective seals would be useful to help prevent water intrusion/corrosion of caliper seals. Thanks.
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Re: Red Rubber Grease on brake master and caliper seals

Postby EMS » Thu Nov 15, 2018 8:59 am

Use the grease! It helps assembly plus it reduces corrosion inside the calipers.

I use a blue "brake caliper grease" I bought in Germany a while ago. It is sold under the "Ate" brand name. I sue it to grease the pistons and the seals in the caliper.

https://www.ebay.com/p/3x-ATE-Brake-Cyl ... 197&chn=ps
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Re: Red Rubber Grease on brake master and caliper seals

Postby cross » Thu Nov 15, 2018 11:45 am

I've been looking and most sellers are overseas. It's going to be a while before it gets here but it doesn't matter, i have other bike to ride


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Re: Red Rubber Grease on brake master and caliper seals

Postby cross » Thu Nov 15, 2018 3:29 pm

EMS wrote:Use the grease! It helps assembly plus it reduces corrosion inside the calipers.

I use a blue "brake caliper grease" I bought in Germany a while ago. It is sold under the "Ate" brand name. I sue it to grease the pistons and the seals in the caliper.

https://www.ebay.com/p/3x-ATE-Brake-Cyl ... 197&chn=ps



I've ordered this tube, It's coming frm Latvia in few weeks


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