SURIEEN Square Type Bicycle Bottom Bracket BSA Innenlager Bearing 68mmx120mm

Bicycle Bottom Bracket Set: The bike bottom bracket is made of carbon steel, possessing high strength and hardness, sturdy and durable, with a long service life. Easy Installation & Sealed Bearings: Integrated system can protect the frame. After adjusting with screws, it can fix the mountain bike firmly without shaking, ensuring the bearing rotates stably. Suitable for 68mm Bottom Bracket: This bike bottom bracket kit has good compatibility, bottom bracket with square pin for 68mm bike bottom, can be used for mounting and maintaining mountain bikes, road bikes and so on. Note: Use BB tool to install and replace the bottom bracket for safety please. What You Will Get: 1 set bike bottom bracket with two scews.