The Boss is a super strong disc lock with a 12.7mm shackle. The Oxford Boss Disc Lock has undergone rigorous independent testing and has been awarded Sold Secure Motorcycle GOLD and is SBSC and FB certified. Insurance discounts are available in the UK when you use this lock. The lock has a key replacement service so that if you are unfortunate enough to lose all your keys a new one can be made up. Just remember to take note of your key number and keep this in a safe place. Key Features • Sold Secure Motorcycle GOLD. • Double locking shackle mechanism. • Anti-pick & anti-drill lock cylinder. • Hardened steel shackle prevents bolt cropping. • Can also be used in combination with 12mm square link chain to double security. • Dust cover to protect the lock barrel from dirt ingress. • Replacement key service available.