Ceramic BB42 OSBB (BB30 OSBB Shimano) Bottom Bracket Road
$158.90 AUD - $192.90 AUD
Use "Product Finder" to find the compatible bottom bracket
Convert BB30 OSBB frame to accept Shimano 24mm
Features:
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Brand new designed CNC cups with lighter weight and more strength
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ABEC 7 standard alloy steel bearing races
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Grade 3 Si3N4 ceramic balls - highest precision in the market
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Pre-lubricated with HSC Ceramic Grease and sealed.
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Specially designed Nylon bearing retainer for more shock absorbing and less friction
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Light touch rubber seals - super smoothness
Weight:
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91 g
Frame requirements:
- BB30 OSBB standard frame (bearings directly pressed into the frame) with shell ID 42mm, width 61mm
i.e. Specialized OSBB
Crank compatibility:
- 24mm spindle cranks, e.g. Shimano Dura Ace, Shimano Ultegra, Shimano 105, Shimano Tiagra, FSA etc.
Note: 2 x 3.5 mm spacers is required to build up the OSBB frame to 68mm in order to accept most of cranks. The 3.5mm spacers will come with the bottom bracket.
Learn more about the compatible pressfit installation tool
Learn more about the compatible bottom bracket removal tool
Gravel bike riders, the combination of our light touch rubber seals and HSC ceramic grease offers effectively combating the challenges posed by wet and dusty gravel racing conditions. Our ceramic bearings empower your gravel bike to perform with the same impressive swiftness as a road bike. Embrace the exhilarating fusion of speed and durability as you unlock your gravel bike's true potential.