The Renold Velo brand is the culmination of collaborative development between British Cycling, Bristol University & Renold. Following the success of the Limited edition chain, Velo CT Rio is the version for keen track cyclists looking for an extra performance gain during competition! Key Facts: Used Exclusively by Team GB Olympic Track and BMX cycling Athletes in Rio 2016. High Performance Single Speed Cycle Chain Designed for Single Speed cycles for Track and BMX use Endorsed and Co-Developed by British Cycling & Bristol University Product Technical Details: Renold proprietary heat treatment of components for increased tensile strength Specially treated bearing surfaces for significantly reduced friction and increased wear performance Pre-lubricated with Renold's ultimate lubricant for longer wear life Chain specification: 1/2” x 1/8” x 112 links Shipping: We will aim to dispatch the items within 3 working days. At this moment in time we only ship to the United Kingdom.