BEARING TROUBLE

[THIRSTYKIRSTY]

YUPP GOT A PROB WITH BEARINGS ON ME MTB BOTTOM BRACKET

SO GOT THE NUMBER OFF THE RUBBER SEALS,,,,6804 2RS

LOOKED ON EBAY AND HEY HO LOADS POP UP AT A REASONABLE PRICE,,,,,

PROBLEM IS THAT BEARING NUMBER EQUATES TO 20X32X7

AND MY BEARINGS ARE 19MM,,,,,

ANY BODY GOT ANY IDEAS AS IM NOT KEEN ON SPENDIN 35 QUID ON A NEW FULL BB

RUSS

[pickle]

What crank set and bb you got in there?

[THIRSTYKIRSTY]

FSA GAMMA DRIVE

MEGA EXO BB 4000

[Dannywhac]

FSA GAMMA DRIVE

MEGA EXO BB 4000

Seems reading a bit about that BB here:

http://www.bikeradar.com/forums/viewtopic.php?f=40004&t=12881185

That although it is a 19mm the bearings are actually 20mm, so you should be good to go buying the 20mm 6804 2RS from eBay

[THIRSTYKIRSTY]

hey up,,,,ta for the response mate

thing is i have some old 6804 bearings and the slop about on the spindle where as the bearings on my bike are a snug fit

good reading though ,,ta dannywhac

[Jon The Bassist]

Most bearings on ebay like 6804rs and 6904rs are actually 20mm which is too big for a 19mm axle. You might need to shop around for the proper ones.
Having said that I know sweet FA about MTB stuff, so if it's different to BMX kit just ignore me 

[Munnyella]

Knock the od ones out and take them to a local bearing centre, every town has one!

They will sort you out with the right ones.

Might be a couple of quid more, but easier than sending back and arguing the toss over postage etc.

MM

[pickle]

just buy one of these for £12 posted 

http://www.chainreactioncycles.com/Models.aspx'modelID=34674

[THIRSTYKIRSTY]

24mm though rob

[pickle]

what is?  the FSA Mega EXO crank are compatible with the Shimano BB from what i read 

[THIRSTYKIRSTY]

THATS A DEORE BB ROB AND HAVE 22/24 SPINDLE