I know the PF30 BBs are suppose to save weight and work better, but in my experience they don't last long, on my Scalpel 29er at least.
Had my first one serviced after a few rides when new (loud creaking, lack of grease by the factory) and replaced after 7 months (the drive side bearing's toasted). Now just replaced the 2nd one again no more then 3 months (non-drive side this time).
I haven't been riding much, maybe just 1 or 2 rides a week on the Scalpel, and here in Socal we don't see much rain. On the other hand the PF30 on my Supersix EVO seems fine so far after 1600 miles.
BTW I'm running the SRAM PF30 unit that came with the bike (steel bearings)? Anyone got any info on the Cannondale alum sleeve PF30 (read it on the 2013 catalog)? I just hate visit my LBS every other month for this issue.
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