Sports and Outdoors enthusiasts should definitely consider this upgrade for their bicycles. My analysis of this product showed that it is well-built, lightweight and easily adjustable to get the perfect fit .The sturdy aluminum material adds durability and a sleek look to your bike. One thing to note IS that adjusting the derailleur can be a bit tricky at first, but once you get the hang of it, it works like a charm. Overall, a great buy for cyclists looking to enhance their performance..See full review