Product Description Features:conversion kit to singlespeedanodised cassette spacersfor 8-/9-/10-speed Shimano/SRAM freehub bodiessuitable for 1/2" x 3/32" chainsincl. 16-tooth sprocketManufacturer Number: DMR-SSH-1SP-KIT Contents:1 x DMR singlespeed spacer kit Manufacturer: DMR Bikes 4a Union Rd Small Dole Henfield BN5 9UN United Kingdom info@dmrbikes.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de