The crank ratchet is used for loosening and tightening screw nuts, especially for mounting or dismounting the bottom bracket.
| Product name: | Unior Bike Tools Ratcheting Wrench - 3/8 - 1621/1BI-US | 
| Manufacturer: | Unior Bike Tools | 
| Item code: | UBT673009 | 
| Activity: | Cycling | 
| Workspace: | Bottom Bracket / Crank | 
| Material: | Steel | 
| Tool type: | Ratcheting Wrench | 
| Model year: | 2024 | 
| Collection: | Full year | 
| Color: | Red | 
| Weight: | 380g | 
| Manufacturer item code: | 1621/1BI-US | 
| Weight source: | Manufacturer | 
| Manufacturer page: | http://www.uniortools.com |