SHIMANO BOTTOM BRACKETS
2012 Shimano Dura-Ace BB-7900 Bottom Bracket
The Shimano Dura-Ace BB-7900 Bottom Bracket is a simple and straightforward component. You'll get two cups with low-drag, high-precision Dura-Ace bearings, plus a cylindrical dust cover that mates the two cups. What's the difference between the Dura-Ace BB-7900 bottom bracket and the previous ...read more
2012 Shimano Ultegra BB-6700 Bottom Bracket
These are the bearings and cups that thread into your frame for use with the Shimano Ultegra 6700 crankset. The bearings themselves will actually be outside of your frame, one reason why the 10-speed drivetrain rides with such sublime stiffness. This unit is compatible with both Double and Triple ...read more
2012 Shimano BB92 Bottom Bracket - Mountain
Along with BB86, this Shimano BB92 Bottom Bracket is part of the new pressfit standard. It offers frame designers a little more room for new designs in seat/down tubes and rear suspension layout. Where a typical mountain bike has a 68 or 73mm bottom bracket shell width, a BB92 equipped bike has ...read more
2012 Shimano BB86 Bottom Bracket - Road
Among the new bottom bracket standards in the bike industry is BB86. It offers frame designers a little more room for new designs in seat/down tubes and chainstays. Where a typical road bike has a 68 or 70mm bottom bracket shell width, a BB86 equipped bike has a shell that measures 86.5mm wide. A ...read more
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