Thomson is an aluminum parts manufacturer with 30 years of experience in computer controlled machining (CNC) equipment.
Thomson's products are based on reliable and strong designs that are used in the airframes of two of the largest companies in the aircraft industry. The X4 is a high quality item that will fit a wide range of bikes, from serious race bikes to trail bikes to touring bikes, and will last for many years.
The X4 is a 4-bolt stem with a 31.8mm clamp. It is a durable model that can withstand hard riding on cyclocross and mountain bikes.
Made In USA