In the process of installing the bottom bracket, you should distinguish between the left and right, the teeth, and screw it in by hand you can ’ for t twist it, use the tool When the bottom bracket is not fully inserted and the tool can ’ for t be screwed, it is recommended to stop and check whether it is installed correct Do not use strong force to cause damage to the bottom bracket or frame Application: For integrated bottom bracket and integrated bottom brackets of other brands When disassembling and installing the crank cover, please loosen the two crank screws next to it first, and then use the crank cover tool to remove the cover This will be very easy Bicycle bottom bracket installation tool spanner Designed to fit externally ringed bottom brackets, Manufacturer: SHANGYAKEJI