  The high end 600 series. SKF's new bottom bracket
comes in a wide range of road and MTB options for ISIS drive
cranks, and boasts some interesting features designed to make it a
tough and trouble-free unit.
The bottom bracket has a one-piece outer shell to equally
support both bearings, and newly-designed seals to keep out water -
which SKF believes are good enough to provide a
ten-year life for the unit.
The spacing between the bearings is as wide as possible to
increase stiffness and the right hand side is a roller bearing
which SKF says is capable of better handling the loads of the drive
side
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