The Ariel 4R Is A Hardcore Version Of An Already Hardened ... piece to the most important developments. A stiffer titanium chassis was introduced, which was made tougher and more rigid by using ...

As with the standard Atom 4, the 4R offers three switchable boost maps with varying levels of power. To make the most of the extra grunt, Ariel has installed a six-speed Quaife pneumatic paddle ...