The zenium sl pro high performance aluminium has been the staple of club racers and long distance mile munchers for many years and rightfully so with low weight and supreme durability at a fraction of the cost of carbon counterparts whatrsquos not to like the zenium sl pro features a custom designed superlight alloy disc brake specific frame which has an ultra durable and weight saving anodized finish matched with a full carbon fork the drivetrain is courtesy of shimanorsquos flawless u