groword Multi -function Bottom Bracket Wrench，Suitable for BB wrench in 39 40.5 44mm outer diameter，16 Notch FINDWORLD then constructed with upgraded seamless

then constructed with upgraded seamless hot pressing

Fold-out Vinyl sleeve

May help with arthritis

and on knees

this can delivers quality and convenience

groword Multi -function Bottom Bracket Wrench，Suitable for BB wrench in 39 40.5 44mm outer diameter，16 Notch FINDWORLD then constructed with upgraded seamlessBrand: groword Features: Multi function Bottom Bracket WrenchSuitable for BB wrench in 39 40. 5 44mm outer diameter16 Notch. Suitable for BB ModelShimano BB51 BB52 BB70 BB71 RS500 MT800 BBR60 BB9000 BB9100 BB93 SRAM GXP series High quality materialThe bicycle multifunctional BB wrench is made of high quality stainless steel material, which has very good corrosion resistance and is not easy to rust. High safetyThe surface of the stainless steel bicycle