My Stumpjumper was making noises that would make your ears bleed. After I pulled the cranks out of the bottom bracket the bearings were so chunky it was awful. They must have turned in to squares… When picking out a replacement I went with Wheels Manufacting which makes a PF30 bottom bracket here in the USA.
The PF30 replacement has a full machined aluminum build with Enduro bearings. It went it super easy and the cranks spin like butta’.
The original SRAM PF30 BB was plastic and the fit and finish was nothing like the Wheels Mfg model. Time will tell how well it works, but I have high hopes.
Wheels Says: http://wheelsmfg.com/pf30-bottom-brackets
Introducing three all-new PressFit 30 bottom brackets. 100% made in the USA. We understand that the heart of your bottom bracket is the bearings themselves. That’s why we’ve decided to produce our PF30 bottom brackets exclusively with Enduro Bearings. Wheels Manufacturing is the only company currently offering PF30 bottom brackets with a choice of bearings in standard sealed bearing, angular contact bearing or ceramic bearings. Direct replacement for SRAM, FSA, and other PressFit 30 bottom brackets!
Why choose a Wheels Mfg Standard Bottom Bracket?
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