The Oxford Boss Alarm Padlock is a serious contender in best padlocks for motorcycles. Featuring an ear blistering 100db alarm when provoked, this is sure to make thieves think twice before touching your bike!Anti-jack design can withstand 4.5 tonnes of tensile load.Removable sealed unit alarm module is vibration resistant and weatherproof against water, frost and heat.Padlock can be used with or without setting the alarm.Batteries included (6 x LR44).Insurance discounts available (UK Only).The Oxford Boss Alarm Padlock has been independently tested and approved by Sold Secure, where it was awarded the Motorcycle GOLD Standard. It has also been awarded the SBSC, ART 4*, Classe SRA and FG certifications.Due to the certifications this lock has received, insurance discounts are available in the UK when you use this lock!