The Rocket Designed to carry you around with slick ease, it features a distinct lipped chain wheel to help protect your clothes, and mudguard mounts for commuting ease. Rock on. Tektro Dual Pivot Brakes To stop you when you need to the Single Speed comes with a pair of Tektro R312 dual pivot brakes, allowing you to stay in control no matter what the weather or conditions are. Single Speed Wheels Bobbin have made up a set of custom wheels to go on the Single Speed, they have used a pair of double-walled alloy rims and then laced them to a set of sealed alloy single speed hubs. Finishing them off Bobbin have put a set of Kenda tyres in a 28c width to give you the traction and stability needed for tackling the mean streets. Built, Tested and Tuned Each Bike is fully built, tested and tuned by Wiggle's team of qualified bike mechanics to ensure you're bike arrives in perfect condition. To find out which size fits you use the size chart below.