`- EDC stem allows you to store your EDC tool in your steerer tube without threading the steerer tube (EDC Stem Cap and Preload kit also required)\n- Can also be used with standard star nut/top cap and is compatible with existing threaded EDC top caps for those that have already threaded their steerer tube\n- 6061-T6 aluminum\n- 38.5mm stack height; 55mm bar clamp width\n- 35mm = 157g & 50mm = 173g