The new plug the new plug range uses new all road geometry and fast rolling large volume tyres that provide comfort confidence and inspiring grip every plug features durable wheels excellent groupsets and are rack and mudguard compatible making them ready for the simplest of commutes or epic adventure shimano tiagra drivetrain the shimano tiagra groupset gets a revamp for 2016 in looks design and technology following on from its older brothers it offers clean looks great shifting and