*Color: Due to the light or display difference, the color of the product you received might be a little difference from the pictures. That is not a quality issue.
*Size & Weight: Due to the measure error or insrumental error, the weight and size of the product might have a minor difference to the discription. That is not a quality issue too.
*Service: We are professional bike mechanics and good at English, so if you have any problem when you set up your products, please feel free to contact us. If you need a large amout of products, please contact us too. We will give you a discount. Don't jump to a bad review, before you want to do that, just contact us and i think we will find a way to solve the problem.