This handy little tool is designed to remove and install Schrader and Presta valve cores, as well as remove and install Presta valve extenders with 5 mm wrench flats.
2-opening bottom bracket wrench
For 16-notch bottom brackets with a 39 mm diameter (e.g. Shimano Dura-Ace 9000 and XTR 980) and a 48.5 mm diameter (e.g. FSA MegaEvo)
TLR-1 rivals Loctite 242 and 243 TLR-2 is comparable to Loctite 262 and 263 Compatible with steel, aluminum and carbon Not recommended for titanium fastener parts Park Tool AP-1 Adhesive Primer must be used to prepare all carbon parts, fasteners and surfaces before application, otherwise parts may become permanently bonded...