ITEM NAME:Stretch Film Cable Tie Electric Bike BBS Install Tool Universal Lightweight Features: Installation tool specifically designed for Bafang BBS01, BBS02 and BBSHD mid drive systems. The two ends are designed to fit the inner and outer lock rings respectively, each of which require the specific tool for installation. Light weight but strong version, with complete (360 degree) circular heads on both ends It can better engagement with all slots on each of the lock rings. Our package come with a BBS install tool, one meter stretch film and five pieces cable tie Specifications Item name: BBS install tool Color: silver Material: stainless steel &;nbsp; Package Include 1pc x BBS Install Tool 1 meter Stretch Film 5pcs x Cable Tie &;nbsp; Note: Please allow 0-1 cm error due to manual measurement. please make sure you do not mind before you.1pc x BBS Install Tool. 5pcs x Cable Tie. The two ends are designed to fit the inner and outer lock rings respectively, each of which require the specific tool for installation. Installation tool specifically designed for Bafang BBS01, BBS02 and BBSHD mid drive systems.