What size headset

[Cranker]

Hi everyone,

 

I there anyone that can tell me what size headset I need to buy for a replacement on my Merida race lite 904? It has a oversized bearing at the bottom and a smaller bearing at the top. Are there any way to measure to determine the sizing before buying a new headset?  I have tried finding the FSA headset bearings locally, but with no success. The bearings have no dimensions printed on them.

 

Thanks

[David Marshall]

Bit of a minefield.  If you need just the bearings best to take them to a bike shop to compare.  If the headset itself needs to be replaced then knock it out and measure the head tube.  I have a pdf file on headset standards. PM me your email address and I will send it to you.  Too big to upload here.