The hardcore choice for those who like to feel they are âÂÂat oneâ with their bars.The Double-FileâÂÂs slim 30mm profile combined with the firm 25A hardness and Double Ended clamps delivers a super-secure grip without twist or flex. Consistent âÂÂFileâ pattern knurled design delivers predictable performance in all conditions. The raised profile of the dual end clamps aids control