Bike Forums - Are side pull brakes obsolete?

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- - Are side pull brakes obsolete? (https://www.bikeforums.net/road-cycling/1097041-side-pull-brakes-obsolete.html)

Quote:

Originally Posted by adbike (Post 19372427)

I was told bikes with disc brakes cannot be stored upside down, hanging from hooks in a garage. Was a non-starter for me...side pull was the way to go.

Wut? :foo:

Decapitation risk. The lawyers at it again!

Quote:

Originally Posted by Trsnrtr (Post 19381022)

Wut? :foo:

If you hang the bike upside down, air in the reservoir can migrate to the caliper and cause the brakes to be spongy.

Of course, recent hydraulics are sealed systems, and so there should be no air in the lines or reservoir. So if you have a properly bled system, it doesn't matter. If you have an improperly bled system, it matters a little. The only real consequence of hanging vertically is that you may benefit from bleeding more often.

tl;dr. Best practice is to not hang upside (use handle bar & saddle), but it doesn't really matter. Hanging vertically is actually the best way, since it encourages air in the longer rear line to migrate to the lever.

Quote:

Originally Posted by gsa103 (Post 19381137)

If you hang the bike upside down, air in the reservoir can migrate to the caliper and cause the brakes to be spongy.

I'll take your word for it but the poster didn't specify old hydraulic brake systems. Could have been talking about cable actuated or something else.the latest whoop-de-doo brakes.