Profile 33t Imperial BMX Sprocket / Chainwheel - Green - USA Made Schrader Valve This seat post features a

This seat post features a single bolt-on collar design

works with Schrader valve tubes

Size: 18" (ISO 355mm)

The shoulder width is approx

A unique 4-bolt 104 BCD spider features a flex-resistant ring for optimum performance

Profile 33t Imperial BMX Sprocket / Chainwheel - Green - USA Made Schrader Valve This seat post features aThe Profile Imperial sprocket has a 22mm bore, and a 19mm adapter is included. Size: 33t Color: Green Manufacturer's Note: This Profile Racing component was colored by anodizing. Anodizing is how we dye the metal. We make every effort to color match all anodized items, color shades and small color differences do occur. This is not a flaw or imperfection, but it is inherent to the anodizing process.