The iodine 2 wheelset from crank brothers is a tubeless ready wheelset with the perfect mix of strength performance and stiffness for all mountain and trail riding the iodine range has been developed and tested worldwide with the help of mountainbike legend hans rey so you know they are goign to be robust they have low rotational inertia which by bringing the mass of the wheel towards the hub and away from the rim helps you experience faster acceleration and deceleration the twinpair trian