Fulcrum wheel bearings

[richard55]

Good Morning. Please could someone tell me if they have changed bearings in a set of Fulcrum Racing 4s.

Regards Richard

 

[Milkfloat]

IIRC they are the same hub as the Campagnolo Zonda, I serviced mine a couple of weeks ago.

 

[dhd.evans]

Have changed the bearings in Fulcrum Racing 7s; had to go to a bearing supplier to get the right fit. Afterwards was all right as rain.

 

[richard55]

Have changed the bearings in Fulcrum Racing 7s; had to go to a bearing supplier to get the right fit. Afterwards was all right as rain.

Hi was it easy to do as I need to replace the outer bearing on the rear wheel and one on the front

 

[dhd.evans]

Apart from sourcing the bearings, pretty simple. My dad and I took them to pieces, found the racer-bearings were mushed and that the plastic bits for sealing them were also mushed. In terms of taking the component to pieces be warned that the bearings will likely fly everywhere and it is handy to take a picture beforehand.

I had to go to a local specialist bearings place (R & M Bearings in Dundee) to get a replacement but once we got that it was easy enough to slot in, grease them up and set them on their way. You can find plenty of YouTube videos with general directions on replacing wheel bearings so i'd do a quick search there as well.

 

[lpretro1]

You can buy most bicycle hub bearings from Simply Bearings online

 

[gbb]

Hi was it easy to do as I need to replace the outer bearing on the rear wheel and one on the front

Probably best to do both in pairs Richard, do it once then you can rest easy.
If you've never done them the specialist tools you see in the video aren't an absolute neccessity.
Axle out, shield out and you'll see the bearings. Lay the wheel on its side. With a drift and a hammer or mallet punch out the bearing from the opposite side.
What is important is when you're driving the new ones in you can either use studding, nuts and washers and pull them in or...drive them in square,,,very important, square..with a socket a tiny bit smaller than the outside diameter of the bearing.
Only allow the socket or whatever to impact on the outer ring of the bearing...absolutely NOT the seal or the inner ring...this would likely jar the race and cause damage...usually accompanied by a knock or stiffness.
As you start to drive them in....keep checking to see they're going in square. If it's not, tap it back out and start again...or look for the hight point and tap it there to level it up, don't keep driving it in not level, you'll risk damaging the hub shell .

 

[the_mikey]

Have changed the bearings in Fulcrum Racing 7s; had to go to a bearing supplier to get the right fit. Afterwards was all right as rain.

I replaced the bearings in a pair of fulcrum racing 7's once also, I feel if I were to do it again I'll construct some kind of bearing insertion tool using a threaded bar, some nuts and washers to perfectly push them back into their recess without help from a rubber mallet..

 

[richard55]

I replaced the bearings in a pair of fulcrum racing 7's once also, I feel if I were to do it again I'll construct some kind of bearing insertion tool using a threaded bar, some nuts and washers to perfectly push them back into their recess without help from a rubber mallet..

Probably best to do both in pairs Richard, do it once then you can rest easy.
If you've never done them the specialist tools you see in the video aren't an absolute neccessity.
Axle out, shield out and you'll see the bearings. Lay the wheel on its side. With a drift and a hammer or mallet punch out the bearing from the opposite side.
What is important is when you're driving the new ones in you can either use studding, nuts and washers and pull them in or...drive them in square,,,very important, square..with a socket a tiny bit smaller than the outside diameter of the bearing.
Only allow the sock.et or whatever to impact on the outer ring of the bearing...absolutely NOT the seal or the inner ring...this would likely jar the race and cause damage...usually accompanied by a knock or stiffness.
As you start to drive them in....keep checking to see they're going in square. If it's not, tap it back out and start again...or look for the hight point and tap it there to level it up, don't keep driving it in not level, you'll risk damaging the hub shell .

Thanks for the info it is appreciated. I will get some German or Swiss bearings tomorrow and give it a go. The threaded rod with washers sounds a good idea

 

[richard55]

You can buy most bicycle hub bearings from Simply Bearings online

There is a little place in my town that specialises in bearings, I have bought them before for my Karpiel Armageddon DH bike. The guy has a big assortment of German and Swiss sealed cartridge bearings.