Fizik thar 29er kium mtb saddlethar kiumthar is specifically developed for big wheel bikes that have different geometry compared to 26 it allowes a compact forward sitting position thanks to its 95mm rail adjustability features shell carbon reinforced nylon twinflex rail kium cover glossy microtex rear cover cordura tuner insert replaceable tuner insert weight 230g dimensions 125x265mmbuyfizik componentsfrom chain reaction cycles the worlds largest online bike store