The Sturmey Archer HSL827 is a 17-tooth dished sprocket, specifically designed for bicycles with internal gear hubs and 1/8" chains. Thanks to its dished design, this sprocket ensures an optimal chain line and smooth power transfer, especially when used with Sturmey Archer hubs such as AW3, AB3, XL-RD3, and X-RD3. The sprocket is made from chrome-plated steel, guaranteeing durability and corrosion resistance. The standard 3-spline fitting makes installation easy and compatible with a wide range of hub systems. A reliable and solid replacement part for bicycle mechanics who prioritize quality and precision in the workshop. 1/8", 17 teeth, extra strong dished Main color silver System compatibility hub gear Type/kind Article 1/2x1/8Sturmey Archer Article number: 688307 EAN code: 4710944234640 Supplier number: HSL827 Retail packaging: Yes