Product reviewsMammoth LOCM003 Square Lock and Chain, 12mm

A Real Heavyweight Deterrent.

This heavy, and robust Thatchem approved lock and chain, certainly lives up to its name, and is a great deterrent in combating bike theft. For added security, and extra peace of mind, I would recommend attaching it to a ground anchor, or equivalent.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: wizbizltd

A bit heavy!

An insurance requirement despite the bike having a steering lock and HISS, kept in a locked, alarmed and dual security monitored, brick attached garage in a good neighbourhood! The chain is heavier than anticipated but is well made and clearly visible and the cover helps prevent scratches. Despite the insurance stipulation I would have bought it anyway!Read full review...

Verified purchase:  Yes | Condition: new | Sold by: wizbizltd

Excellent

Really good value Thatcham approved chain, lock and ground anchor. Very easy to install and the chain is a good length. Would recommend .

Verified purchase:  Yes | Condition: new | Sold by: fix_it_yourself

Decent mid range security

Good heavy weight chain and lock

Verified purchase:  Yes | Condition: new | Sold by: pilkington-oils

Strong deterrent

Good quality ,easy to use and adds an extra deterrent against theft.

Verified purchase:  Yes | Condition: new | Sold by: bikespeeduk

Quality Product.

Verified purchase:  Yes | Condition: new | Sold by: fix_it_yourself

Security chain

This chain is excellent very thick and looks incredibly strong probably overkill to secure my mountain bikes but can you have too much security?
Would definitely recommend to anybody thinking about buying such a product.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: wizbizltd

Good quality chain but I think it's let down by what feels like a cheap lock.

Good heavy chain, let down by the lock.
It doesn't feel as good a quality as the chain and it can only be locked with the chain in one position.

Verified purchase:  Yes | Condition: new | Sold by: bikespeeduk

Very Good Value

The Long chain is a nice snug fit on my Yamaha fj 1200

Verified purchase:  Yes | Condition: new | Sold by: bikespeeduk

Whopper of a chain

I'm impressed by size of chain and large lock, yep it's a heavy sod but still OK for carrying in my rear storage pillion bag on back of bike

Verified purchase:  Yes | Condition: new | Sold by: bikespeeduk