How does one know what BB bearings fit to upgrade?
Bike specs
http://www.trekbikes.com/us/en/bikes...rchive/fuelex8
Bearings:
http://www.enduroforkseals.com/id254.html
The outside of the BB is ok but the bearing is rough so rather than a full BB kit which bearings could be bought? Do bike shops normally do this job? THanks
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