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CeramicSpeed ALPHA PW pulley wheels bring advanced durability technology in a compact, standard-size format. They are designed for riders seeking a durable solution with smooth shifting and long lifespan. These pulleys are intended for both road and off-road use, combining a one-piece, molded composite body with low-friction CeramicSpeed ceramic bearings. Their signature tooth profile ensures an efficient, precise, and highly durable upgrade for modern derailleurs. The specific shape of the ALPHA PW upper and lower pulley provides sharp chain control, quiet operation, and consistent performance even under load. The derailleur-specific stainless steel dust covers offer excellent bearing protection and eliminate the need for additional spacers. The ALPHA PW pulley wheels are developed, designed, and hand-built in Denmark.One-piece, molded composite bodyLow-friction CeramicSpeed ceramic bearingsPatented ADR technology for bearing protectionSignature tooth profileStainless steel dust coversIntended for both road and off-road usePackage contents:ALPHA Pulley Wheels setUFO TECH Pulley Wheel Oil 15 ml