Product Description Insert / adapter for assembly and disassembly of Gates sprockets for Rohloff and Thread ON. Specifications: Function: Installation & disassembly of belt drive sprockets Type: special tool Type: multi-tooth Compatibility: Gates Rohloff or Thread ON rear sprockets Size: 19, 20, 21, 22 or 24-tooth tooth:1040000424 tooth:10400005Contents:1 x Manufacturer: Universal Transmissions GmbH Walkmühlenstraße 195 99974 Mühlhausen Germany shop@carbondrive.net