Park Tool Spoke Key BSH-4 - for Flat Spokes

The BSH-4 is an essential tool for wheel building and truing, designed to securely hold bladed spokes and prevent twisting. It features four different sized slots to accommodate a wide variety of bladed spokes, holding blades from 0.8mm to over 2mm in width.

Truing a bicycle wheel with bladed aero spokes can be a delicate task — one careless adjustment can twist or bind the spoke, compromising its strength and undermining the benefits of the aero design. The BSH-4 ensures that bladed spokes are held firmly in place, preventing twisting and simplifying tension adjustments. It boasts a lightweight ergonomic design along with four different sized slots to fit a diverse range of bladed spokes.

BSH-4 Features
Fits bladed spokes from 0.8 mm to 2.0 mm width