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Shimano Dura Ace BB-7700 Track Bottom Bracket Set (NJS or ITA)
In stock
Details
The premium bottom bracket compatible with the Shimano Dura Ace FC-7710 model crank set.
110mm, in 2 threading options: JIS/NJS (English BSC) thread, (1.37x24T) 68mm, or ITALIAN 70mm (36x24).
This is an NJS approved bottom bracket, with open Needle and Ball Bearings that can be adjusted with a lockring system. You can also tune the amount of grease/oil used for either street/training or race use.
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.
The easiest way to check which size you need, is to measure the width of your frame bottom bracket shell, from left side to right side. It should be either 68mm (JIS/NJS) or 70mm (ITALIAN). All Japanese frames will be JIS/NJS size. Pretty much all ITALIAN frames such as Cinelli, Colnago will be 70mm.
110mm, in 2 threading options: JIS/NJS (English BSC) thread, (1.37x24T) 68mm, or ITALIAN 70mm (36x24).
This is an NJS approved bottom bracket, with open Needle and Ball Bearings that can be adjusted with a lockring system. You can also tune the amount of grease/oil used for either street/training or race use.
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.
The easiest way to check which size you need, is to measure the width of your frame bottom bracket shell, from left side to right side. It should be either 68mm (JIS/NJS) or 70mm (ITALIAN). All Japanese frames will be JIS/NJS size. Pretty much all ITALIAN frames such as Cinelli, Colnago will be 70mm.
