Kink 25t 19mm Spline Sprocket (Chrome) Folding Fold and unfold without damage

Fold and unfold without damage

Enlarged sprocket window design for lighter weight

It physically blocks nails

the Bell 27

Avenir inner tubes are made from high-quality

Kink 25t 19mm Spline Sprocket (Chrome) Folding Fold and unfold without damageThe Astro sprocket is a true mix of form and function. Using heat treated 4130 chromoly steel enables this sprocket to use thin spoke like patterns which create the unique look. The design itself inspired by the structure of an atom, has increased strength over similar spoke style sprockets due to the intersecting orbits or spokes. The Astro sprocket comes in a variety of sizes, and both bolt drive or spline drive options.