Designed for everything from trails to Enduro, the new OneUp Stem is a perfect pair for their Carbon Handlebar . The OneUp Stem is compatible with regular star nut and top cap and also compatible with existing threaded EDC top caps. Details Length: 35mm (155g) / 42mm (163g) / 50mm (173g) / 35mm Dia. / 0° Rise Color: Black Stack Height: 39mm Bar Clamp Width: 55mm Material: 6061-T6 Aluminum