The fulcrum red metal zero xrp is a strong and stable 29 wheelset with a host of cutting edge technology that boast the highest performing aluminium mtb wheels around the hub is made from carbon fibre with aluminium flanges making it extremely light in turn boosting the wheels reactivity the titanium freehub body drastically reduces the weight of the wheel and increases its performance the spokes are aluminium aero straight pull with aluminium nipples the front wheel has 14 on the left s