- BB Cups are forged & CNC machined from 6066 aluminum.
- Features 35% more thread engagement & thicker walls than the XC/AM BB cups for greater durability in big-hit situations.
- Massive external bottom bracket cups house 35% larger ball bearings than internal systems, yielding vastly improved durability.
- Bearings feature a special "full-complement" construction. This doubles the amount of ball bearings in the cartridge & greatly increases it's load carrying capacity.
- Bearings feature our custom triple wiper seal to better retain grease & keep contaminants out.
- Bearings are factory filled with Phil Wood waterproof grease - tested & proven to extend bearing life.
- Interchangeable with select Shimano and FSA external MOUNTAIN BB systems.
- Fully serviceable with BBEXITOOL
PROS: Easy To Install, Durable
BEST USES: Urban Assault, Mountain Biking
BEST USES: Extreme Sports, Mountain Biking
PROS: Easy To Install, Durable, Smooth
CONS: Could Improve
BEST USES: Racing, Mountain Biking, Upgrade
PROS: Easy To Install, Lightweight
CONS: Very Noisy
Q & A
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Get free 1-day California shipping with your $50 purchase today, on most orders. Please note this offer is only available to physical shipping addresses in California(no PO Boxes), and oversize charges still apply on some heavy/large items
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