For our new OSPW RS, we offer versions equipped with the ultra-durable ALPHA Disc Pulley, first introduced with our OSPW X for Eagle Transmission. The ALPHA Disc features a two-part construction. A separate narrow-wide tooth profile, made from composite material offering extended wear protection and noise reduction. Plus a solid aluminum disc that eliminates the possibility of foreign objects getting caught between the pulley spokes, while adding strength and rigidity to the Pulley design. The first iterations of our solid disc pulley design were field-tested during the Cyclocross World Cups a couple of years ago. During the 2022 Cyclocross season, our sponsored Tormans team extensively used the solid disc design and provided valuable feedback on its ability to ensure mud clearance in the.
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