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Pedals: Sealed bearing or not?

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Pedals: Sealed bearing or not?

Old 04-14-18, 11:47 AM
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Pedals: Sealed bearing or not?

With pedals, which do you like, sealed bearing or not sealed?

With sealed it seems like you can't maintain them, but you also may have less need to maintain them?

Have you ever replaced the bearings in a pedal and how did that work out?

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Old 04-14-18, 11:52 AM
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I like sealed. The maintenance is to replace the entire bearing assembly. I haven't had to do that yet but my sealed pedals are only a couple of years old and may not have too much mileage on them since I ride quite a few different bikes.

The reason I went to sealed my older cheap spds got rough and I rebuilt them and they failed fairly quickly. I don't the idea of that happening on my bike during a tour.

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Old 04-14-18, 12:01 PM
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I prefer the non sealed. I put on a lot of miles and the one sealed bearing pedal that I bought, a while back, went out on me fairly fast. I keep the bearings on my SPD pedals well greased and a rebuild for both pedals is $6.00 for the bearings and 30 minutes of my time.
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Old 04-14-18, 02:06 PM
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My old Campagnolo pedals are about 40 years old, and still work fine, you just clean the grease out, replace the balls occasionally and they last a lifetime..


my daily ride now has Ergon platform pedals, they use a self lubricating plastic series of bushings, never need nothin..






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Old 04-15-18, 11:19 AM
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IMO sealed is good. Probably more so for all the popular gravel grinding that seems to be the rage.
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Old 04-15-18, 11:45 AM
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"Sealed" is a deceptive term when you are talking about any bearing. All pedal bearings have some form of sealing to keep water out. The question should be whether it is better to buy pedals with cartridge bearings or loose bearings. Sealing of pedal bearings depends on pedal design. The Campagnolo Record pedals that were included with my 1973 Raleigh Professional had a unique reverse spiral seal that actually threw contaminants out of the bearings as you pedalled. The bottom bracket used the same system. There was no "seal" as such, yet the bearings would stay very clean between yearly service intervals. Those pedals are still in good shape, after almost 40 years of use, wish I could find clipless pedals as well made
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Old 04-15-18, 03:34 PM
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Yeah, ok, I see my starting assumption was wrong. Thanks for setting me straight. I thought sealed meant the bearing was embedded in the plastic or something and not user-serviceable, but that's wrong. Sealed means it's the kind of bearing where the race is an enclosure with a sorta-flexible removable cap on the flat faces to access the bearings. (And the bearings are not removable from the cartridge, right? You replace the whole bearing cartridge?) (So far I've only been hands on with old tech and low tech; yet to see a sealed bearing in person.)

Anyway, I got mine open and they're cup and cone with 13 small balls for each race, 26 per pedal. They've been resisting a little and making a buzzy metallic slushy sound when I push. The balls look OK but three of the cups look blotchy and one has pitting, and these are the kind with a nylon body and the cups aren't replaceable, so I'm getting new pedals from the LBS tomorrow.
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Old 04-15-18, 04:12 PM
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MKS makes a decent pedal and did their basic engineering by copying Campagnolo's classic, down to the dust cap , in Japan,
so those caps are interchangeable, on the Sylvan and their road toe clip ready pedals

they now have added a cartridge 'sealed' bearing line as their best.
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Old 04-15-18, 04:20 PM
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Originally Posted by fietsbob
MKS makes a decent pedal and did their basic engineering by copying Campagnolo's classic, down to the dust cap , in Japan, so those caps are interchangeable, on the Sylvan and their road toe clip ready pedals. they now have added a cartridge 'sealed' bearing line as their best.
Thanks @fietsbob.
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