Ceramic Bearing Aluminum Pulley Set for Jockey Speed Bicycle Accessory (2 pieces) Wheel, 7/8/9/10 Compatible, 11T/13T,

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[Important Notice] Items are made for the Japanese domestic market: - Products: Official Japanese market items (Manufacturing origin varies by model). - Voltage: AC 100V / Type A plug (Voltage converter may be needed). - Language: Japanese by default (Unless specified in title/images). - Region: Please check system compatibility before ordering.

Follow our shop for new arrivals! Please leave a review when your item arrives. ―・―・―・―・―・―・―・―・―・―・―・―・― These pulleys operate with smooth ball bearings. Material: 7005 aluminum alloy. Compatible with most rear derailleurs on the market and supports 7/8/9/10 speeds. Made from CNC aluminum alloy, it is lightweight and durable. Rust-proof and corrosion-resistant anodized aluminum. Material: 7005 Aluminum Alloy Component: Derailleur Construction: Ceramic Bearings Color: Red, Blue, Silver (Optional) Size: 11T, 13T (Optional) Application: For 7/8/9/10 Speed Diameter: 11T-40mm, 13T-50mm Fitment: For 4/5/6mm Roller Screw Axles