The ACID stem range is designed to provide the correct length and angle to provide the perfect fit for any bike and rider. The 18 degree stem is available in a wide range of lengths from 70mm to 130mm in 10mm increments. With a maximum user weight of 125kg and made from heat treated 6061 T6 aluminium, it's ideally suited to trekking bikes. The clamp diameter is 31.8mm for a secure fit to the handlebar, and the face plate is fully FPILink compatible for the easy installation of accessories like lights or computers.