Rim lock

The term for this is called, 'rim lock' and it's an enormous hurdle to overcome.

Wheels (usually 21" front, 18" rear) have knobby tires, often clamped to the rim with a rim lock. Compiled with an informative commentary by dirt bike expert Doug Mitchel, "Vintage Dirt Bikes: Enthusiasts Guide" is a profusely illustrated, 144 page compendium showcasing an impressive roster dirt bikes that were manufactured over the past several decades.

Doors should either have a mortise lock, which fits into the door, or a rim lock which fits onto the surface of the door.

LOCK IT: Don''t leave windows open for your pets and make sure you use high quality locks, like this Brass Rim Lock from jim-lawrence.co.uk SECURE: Make sure your back garden is safe and secure with a padlock on the gate

We instantly fell in love with the aggressive tread pattern, robust tread blocks and special features, including stepped shoulder blocks, rim lock and built-in rim protector, plus the six-ply construction promised extreme durability under the heaviest of loads.

Q The cylinder rim lock on my front door is difficult to shut - you need to slam the door to shut it.

AA HIGH security cylinder rim lock with a deadlocking action is best.

There are two types of acceptable door locks - a mortise lock, which fits into the door, or a rim lock which fits onto the surface of the door.

You will also need a chain and a cylinder rim lock.