Pro BB Socket Holder Steerer you know what we are

you know what we are talking about

an automatic head design that instantly adapts to either presta/schrader tube valve types with an integrated bleed valve for quickly setting exact pressures

Fits 16-notch X 41mm diameter external bearing bottom bracket cups

and 4oz XDry chain lube

In the narrow configuration the guide plates are 1

Pro BB Socket Holder Steerer you know what we areExpert BB Tool Helper Pair with most BB sockets and wrenches, providing slip free performance during both removal and installation. Crafted from heat treated tool steel for exceptional strength and long lasting durability. Threads together with the Pro BB Socket Cup for a double layer defense: prevents slipping off the BB or sliding further on, keeping your frame and fingers safe from accidental damage. The Pro BB Socket Holder is your ultimate