Product Description The Miche sprocket for Bosch E-bikes is made of steel and is compatible with the Active and Performance Lines as well as 8- to 10-speed gears. Guidelines for Replacing E-bike Components:Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked E-bikes/pedelecs with pedal assistance. Specifications:Application:City & TouringMount:Bosch Direct MountTeeth:14 t, 15 t, 16 t, 17 t, 18 t, 19 t, 20 tGearing:1x8-speed, 1x9-speed, 1x10-speedTechnical Information:Material:steelCompatibility:Bosch Performance LineBosch Active LineFeatures:direct installation to Bosch motorCNC manufacturedManufacturer Numbers:14 tooth:SPEB0B001400015 tooth:SPEB0B001500016 tooth:SPEB0B001600017 tooth:SPEB0B001700018 tooth:SPEB0B001800019 tooth:SPEB0B001900020 tooth:SPEB0B0020000Contents:1 x Miche Sprocket for Bosch E-Bikes Weight: black | 14 : 14 g Manufacturer: MICHE S.R.L. Via Olivera 19 31020 San Vendemiano (TV) Italy info@miche.it