About this item INSTALL NOTICE: Please make sure to properly measure your bolt hole size before ordering, it only can fit 8MM thread. APPLICABLE MODELS: Universal fit for most 8MM (M8 x 1.25 x 40) Size Motorbike, street bikes, sport bikes, dirt bikes, may include but not limited at… PRODUCT FUNCTION: To protect your swingarm from an inevitable tip-over and to place your motor on a stand. The swingarm spool make the motorcycle rocker bracket more stable. COMPONENTS: 8MM swingarm slider used CNC aluminum alloy , and specially designed and manufactured fasteners. SERVICE GUARANTEE: No matter what the problem, please contact us first, we will do our best to solve any problem for you.