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HATTA R9400 68mm
The most popular Keirin bottom bracket among professional Keirin racers’ worldwide.
Pro’s choice! NJS certified product.
109mm length & fits 68mm BB shells
1.37" x 24T - English threading
Mirror Finished Ball Race
ISO Taper
Weight: 308g
Made in Japan
SHIMANO Dura-Ace BB-7700
This bottom bracket uses both ball and needle bearings to reduce flex for greater power transmission efficiency.
Dura-Ace Octalink Bottom Bracket
Sealed Cartridge Unit
Weight: 173g
Made in Japan
SHIMANO DURA-ACE TRACK BB-7700 68mm NJS
This bottom bracket uses both ball and needle bearings to reduce flex for greater power transmission efficiency.
NJS approved!
BB Shell width: 68mm
Axle Length:109.5mm
Mount: splined crank arm mounts
Sealed Cartridge Unit
Weight: 173g
Made in Japan
Shimano Dura-Ace SM-BB9000
The Dura Ace bottom bracket cups for Shimano Dura-Ace FC-9000 Hollowtech II cranksets.
Bottom bracket bearing cups with smaller than before. Improved seals provide for 50% less resistance.
SHIMANO Dura-Ace SM-BB92-41B Press Fit Bottom Bracket Cups
SHIMANO Dura Ace bottom bracket cups for Hollowtech II cranksets. The small bearings provide for low weight and the new seal design for easier operation.
Weight: 54g