Magnetic trials kill switch with lanyard - a magnetic kill switch that cuts out the engine if a rider falls off. This can often save on expensive engine seizures.A must have safety product for trials bikes; lanyard kill switches are now a regulation requirement for Youth Trials riders.This kill switch meets all ACU requirements.Compatible with BETA, SCORPA, SHERCO, MONTESA, GAS-GAS trials bikes.Comes complete with handlebar mounting, a 6mm ring connection on the earth wire, and a bullet connector on the other.