Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•【Easy to install】--- The anti‑dropping device can easily solve the problem that the sleeve cannot be fixed and is easy to detach from the bottom bracket and does not exert force. With it, novices can easily disassemble and assemble the axis bracket.
•【Compatible with】--- There are and high compatibility hole, spline axis shaft suitable for 20 keyways (downward compatible with 16 keyways), the longest compatible with 129mm shaft length bottom shaft.
•【Great performance】--- High degree of fit, straight teeth, will not jump teeth, the bottom axis, and unified, 20 teeth synchronously fit, and force at the same time, fine turning.
•【Keep improving】--- In order to make the quality stronger, we are constantly upgrading and improving, insisting on using better materials and technology to create stronger quality products, and achieving higher cost performance!
•【Upgraded version】--- The tooth is improved and upgraded. In order to save costs, on the market will design the tooth into an inverted triangle. This will increase the torque of the tooth and reduce the force area to make the sleeve tee
