Headset Bearings

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JD42

Hills are nature's way of culling the weak
Location
Brizzle
On turning the handlebars there is a noticeable grinding on stem and headset. I believe that the bearings will need changing. Not done this before. Any useful tips please. I have a Specialized Diverge. Cheers
 
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Sharky

Guru
Location
Kent
Try loosening all the clamps and rotating the bars form side to side until they feel free and a bit loose, then retighten. Might just be overtightened.
 

smutchin

Cat 6 Racer
Location
The Red Enclave
I'm fairly sure the Diverge uses internal pressfit bearings so this should be a very easy job - you just need to find the right size bearings. The old ones should just pop out and the new ones slip in easily. The bearing size should be marked on the side of the old bearings but if you're not sure, this site might help: https://www.canecreek.com/headset-fit-finder

Replacements are easy to find online, and not expensive, eg http://www.chainreactioncycles.com/mobile/ritchey-pro-headset-bearing/rp-prod62162

Only caveat is when you remove the old ones, be careful to make sure you keep track of any washers, spacers, O-rings, olives etc and the order they come out, so you can put them back together in the right order.

When putting it all back together, tighten the top cap first to preload the bearings (just tight enough so there's no play in the headset), then tighten the stem bolts (very important not to overtighten these, especially if you have a carbon fork).
 

ianrauk

Tattooed Beat Messiah
Location
Rides Ti2
If they are sealed pressfit bearings they are very easy to service. @Globalti has a very instructional video. (Sorry, on phone and can't seem to link the vid)
 

gbb

Legendary Member
Location
Peterborough
While I don't know what specific bearings are fitted to this bike, I had a bike which after a few very wet rides had orange gunk coming out and staining the frame. Strip down, clean some awful looking surface rust away, regreased...they worked absolutely fine after.
 
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smutchin

Cat 6 Racer
Location
The Red Enclave
Good video that, despite a few minor irritations...

1. The Roubaix isn't "designed for riding in California" (the clue is in the name) - the quality of the components is a reflection of the overall cost of the bike. You want high end bearings, you gotta pay more.

2. You don't need to pay £60 for Specialized branded replacements. Bearings come in standard sizes and generic ones can be bought much more cheaply - you just need to know the right size. I got some replacement headset bearings at £14 for the pair from CRC recently. I probably could have got them even cheaper from my local specialist bearing supplier.

3. "A popular internet auction site" - you're not on the BBC, mate, you're allowed to say eBay.

Otherwise, good advice.
 
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