Shimano Dura Ace BB-7700 Track Bottom Bracket (NJS)

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Shimano Dura Ace BB-7700 Track Bottom Bracket (NJS)

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Details:

The tuning friendly bottom bracket compatible with the Shimano Dura Ace FC-7710 model crank set.

USD$85

Details

The tuning friendly bottom bracket compatible with the Shimano Dura Ace FC-7710 model crank set.
110mm, JIS (English BSC) thread, 1.24 x 68 style bottom bracket.
This is an NJS approved bottom bracket, with open Needle and Ball Bearings that can be adjusted for speed.
This is one of the two bottom bracket sets that can be used with Shimano Dura Ace octalink 7700 series track cranks.
It cannot be used with square taper crank sets, such as Dura Ace 7600, Sugino 75, Grand Mighty, Super Mighty, Suntour Superbe Pro, or any Campagnolo cranksets.
Includes only the threaded cups, bearings,and axle. Bolts are not included.
They are included with the FC-7710 crank set.

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