BB91 BB92 Bike Ceramics Bearing Integrated Hollow Chain Wheel Bottom Bracket, Bicycle Bottom Bracket for Mountain Bike and Road Bike, Lightweight CNC 6061 Aluminum with Silicone Se

Item type: Bike Bottom Bracket Condition: 100% brand newModel: BB91 BB92Material: CNC manufacturer of 6061 aluminum ceramics bearingOptional Color: red, blackOptions: thread type, press-in typeInner diameter: Approx. 24mm/0.9inPackage List：1 Set x Thread type bottom bracket2 x Accessoryor1 Set x Press-in typebottom bracket

• HIGH-QUALITY CERAMICS BEARING: The BB91/BB92 bike bottom bracket features premium ceramics bearings that provide smooth rotation and reduce friction, ensuring a longer service life and better performance for your mountain or road bike.
• INTEGRATED HOLLOW DESIGN: This bicycle bottom bracket is designed with an integrated hollow structure to reduce weight while maintaining strength, offering greater spacing between bearings to minimize load and enhance durability.
• DURABLE AND PROTECTIVE: Made from CNC-manufactured 6061 aluminum with a silicone seal, this bottom bracket is sturdy and resistant to pollution, making it ideal for harsh cycling conditions and long-term use.
• EASY INSTALLATION OPTIONS: Available in both thread type and press-in type options, this bike bottom bracket comes with all necessary accessories for convenient installation, fitting most standard bikes with a 24mm inner diameter.
• VERSATILE AND STYLISH: Choose between two different types and colors (red or black) to match your bike's aesthetics, meeting various needs while providing reliable performance for all cycling enthusiasts.