Excellent Performance: The front mechanical clip can be tightly clamped on the front derailleur, not easy to slide to ensure the best experience, it can help you improve your riding performance. Aluminum Alloy Material: Our front mechanical clamps are made of reliable aluminum alloy material for excellent stability, and the hollow design is lightweight but high strength. Optional Size: We have 2 sizes of front mechanical clamps for you to choose from, you can choose any one according to your needs, it is the perfect accessory for your bike, you can use it with peace of mind. Simple to Use: This front mechanical clip is easy to install and remove, with no complicated steps or procedures, even one person can complete the installation, making it ideal for brazed front derailleurs. Service Guarantee: If you are not satisfied with our front mech clamp you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem., Weight: 0.03968320716 Pounds