<var id="lfjgh"><ol id="lfjgh"><video id="lfjgh"></video></ol></var>

    1. <var id="lfjgh"><output id="lfjgh"></output></var>
    2. <var id="lfjgh"><output id="lfjgh"><rt id="lfjgh"></rt></output></var><var id="lfjgh"><ol id="lfjgh"><video id="lfjgh"></video></ol></var>

          Best Sprocket Features

          What are the best sprocket features I should be looking for?

          • HARDENED TEETH – Chain rollers are hardened steel; if they run on an unhardened sprocket, the teeth will wear and deform very quickly.? Bringing sprocket teeth near the hardness of the chain rollers will increase the life of the sprocket, without shortening chain life.

          ? Copyright 2020. McGuire Bearing Company. All Rights Reserved.

          手机牛牛赚钱