Road Bike Bottom Bracket Bearing BB Bicycle Axis Central Shaft T47 24mm Chainring Press-in

Precise Machining: Precise machining extends the life of this bike bottom bracket and further improves the sealing of the center shaft. Integral Sealed Steel Bearing: Integral sealed construction retains lubricant within the bearing for superior dust and water resistance. Suitable for harsh riding environments. Lateral stability: High-strength aluminum alloy material can strengthen lateral stability, so it is not easy to loosen and will not produce abnormal noise. 24mm Inner Diameter: The outer diameter of this bike bottom bracket is 43mm and the inner diameter is 24mm. Compatible with 24mm cranksets. Aluminum Alloy Shell: The outer frame of the bottom bracket is designed for slide cycling and noise reduction. It is lightweight while maintaining strength. specification: Item Type: Bottom Bracket Material: Aluminum alloy, sealed bearing, nylon Weight: approx. 132g/4.66oz size: Inner diameter: 24mm/0.94in Outer diameter: 43mm/1.69in Compatible frame pipe diameter: T47 Compatible Frame Bottom Bracket Width: 68-73mm/2.68-2.87in Package list: 1 x bottom bracket