Chain cleaning holder - Elasticized snap snap into open gear with one click Built-in double POM bearings Smooth rolling Suitable for 142-148MM gears. Race steel plug, no damage to the frame screw threads elastic clips, easy to snap into the gears with one click. Name:Chain cleaning holder Be applicable:142-148MM open gears barrel axle frame Size:160x57MM Weights:. 102g Colour:Silver Material:aluminum alloy Package Contents: 1 * Bicycle Chain Retainer Clean Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.