Description: Adopting press-fit installation, the bottom bracket can be conveniently mounted, and the stability is also improved. Due to the low friction coefficient and smooth bearing of the bottom bracket, it saves your energy and increases your riding speed. High-quality aluminium alloy material makes this bicycle bottom bracket sturdy and durable. It is 10cm long, 4.4cm wide and 4.4cm high, and the inner diameter is 2.4cm. This BB92 bottom bracket is suitable for bike bottom bracket of 86-92mm. Item Name: Bottom Bracket Material: Aluminum Alloy Color: Black, Red Applicable Range: Frame Bottom Bracket of 86-92mm Features: Excellent Performance, Easy Installation, Long Service Life Size Details: Size: 10cm x 4.4cm x 4.4cm/3.94" x 1.73" x 1.73" (Approx.) Inner Diameter: 2.4cm/0.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bottom Bracket