PBR RR SPROC 420 ALU UL 4453, 60, STL 1129675004

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<h4>PBR, the experience of competition</h4>

<p>Thanks to the many years of experience gained by PBR in competition, working with major teams, PBR offers a range of high-quality sprockets and crowns.</p>

<ul>
<li>Highly resistant to corrosion and abrasion</li>
<li>Reduced friction</li>
<li>Very strict manufacturing process</li>
<li>Ultralight</li>
</ul>