Bosch 31139 80T.300CP Sprocket is a genuine Bosch replacement part identified by model 31139, featuring 80 teeth (80T) and the.300CP designation. This sprocket, cataloged under the 31139 series, matches the tooth count and spacing required by systems specified for an 80T.300CP configuration. Use this part to replace a worn or damaged sprocket in compatible Bosch drive assemblies that require the 31139 80T.300CP specification.
