External Adjustment of Gear Clearance: External adjustment of gear clearance, there is no need to remove the decorative screw can be manually adjusted.
Easy to Use: You can use a wrench or hand to adjust the decorative of the side cover, tighten it clockwise and loosen it counterclockwise.
Manufacturing Material: Made of high quality strong plastic steel and aluminum alloy materials, using clever design concept, continuous polishing, this is undoubtedly a good inner wheel.
Comfortable Feel: Comfortable feel, flexible buttons, flexible and to use, simple , easy to use.
Double Color Oxidation Technology: Aluminum alloy front cover, using double color oxidation technology, with classic black and white, rear cover using reinforced plastic steel material, and strong.