Cartridge Bottom Bracket Wrench

Tools with verified quality
Unior Hand tools are in compliance with the European and global quality standards. Unior is striving to assure the high quality of hand tools also as a fully authorized CEO (European Tools Committee) member.
Unior was among the first manufacturers of hand tools in Europe to receive ISO 9001 quality certificate. In 1994, the company received ISO 9001 quality certificate for the development, production and marketing of hand tools, sheet metal housing for hand tools and mechanical processing of forging parts.
Unior tools are in compliance with DIN standard. Since 1991, the tools for working at high voltage also proudly hold VDE certificate, issued by VDE Institute- "Pruf und Zertifizierungsinstitut" from Offenbach in Germany.

Cartridge Bottom Bracket Wrench
The double threaded screw enables you to use this tool for Shimano standard bottom brackets  as well as for Shimano Octalink and Truvativ bottom brackets. 
It is composed of wrench, product no. 1671.1, screw with nut and handle. 
This tools allows you to thread the wrench into the axle with the additional screw. This prevents  the wrench from slipping and damaging the bottom bracket nut. Work is made easy by the  350 mm long handle with the two part ergonomic sleeve. The same procedure can be used for  installation. The screw is 24 mm AF and is used with a 24 mm wrench or with a torque wrench.  The handle can be taken down if necessary. 

Material: special tool steel, hardened and tempered 
Ergonomic heavy duty double component handle