This Look Ergostem is a versatile, adjustable stem suitable for both road and track bikes. It is designed to fit 1 1/8 inch steerer tubes and has a 26mm clamp diameter. The stem is made of durable aluminum and is compatible with universal brands. The black color adds a sleek look to your bike.This stem is threadless and has a custom bundle of one item. It is a great addition to any cyclist's collection as it provides a comfortable and secure grip. The manufacturer warranty is none, but the Look brand is known for its high-quality bike components. Purchase this Look Ergostem today for an enhanced cycling experience.