New wide narrow (fat and skinny) chainrings that are compatible with 9,10 and 11 speed chains. Light (43g) laterally stiff, made from tough 7075 aluminium and are 4mm thick to reduce side to side flex. Extra chamfering to help reduce mud escape. From 30t all the way 38t configuration. Hard anodised for long life wear. Will suit crank arm spacing of 104BCD.
