Ixs trail rs adjusterdesigned tested and built with co operation from freeride legend richie schley the trail rs offers impressive downhill worthy protection with the lightweight and comfort of a cross country helmet keep yours in top condition with the ixs trail rs adjuster featuresprovides the perfect fit to your head circumferencetwo component turning systemgenuine ixs spare partbuy ixs helmets from chain reaction cycles the worlds largest online bike store