Front fork lowering inner kit SHOWA front fork suspensions fits: Honda CRF450R 17-22 Replace front fork inner parts with this kit. It provides 30 mm lower height Replacing SHOWA front fork spring seat and fits inner collar to make your suspension 30 mm lower than stock height Make front fork fully extended length shorter, but no change length when the fork is shortened - Keep clearance between wheel and under fender, even on lowering.