Ionicndash25 places the seat clamp assembly 25 mm behind the seatpostrsquos centerline this gives athletes the option of a more rearward position on todayrsquos shorter framesets the splined alloy difflock coupling is a highly accurate method of setting saddle angle needing only lightweight clamping by side mounted bolts it is especially useful for fine adjustment of saddle setback which can be done without impacting saddle angle ionicndash25 pro is fabricated in aluminum alloy with