Sprocket 1/8 17t flat sa The Sturmey Archer HSL838 is a 17-tooth flat sprocket, designed for bicycles with internal gear hubs and 3/32" chains. This sprocket is ideal for light city bikes and sporty applications where a narrower chain is used. Thanks to its flat design, the sprocket is easy to mount and offers stable chain guidance. The chrome-plated steel ensures a long service life and good corrosion resistance, while the 3-spline connection is compatible with various Sturmey Archer hub systems. A reliable replacement part for bike mechanics who choose precision and quality in the workshop. 1/2x1/8Sturmey Archer Article number: 688308 EAN code: 4710944236057 Supplier number: HSL846 Retail packaging: Yes