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Scooter Lock/Motorcycle Lock/

Triangular disc lock MK621

Item No.:MK621

Main Material:Zinc Alloy

Finished:Spray Paint


Color Options:Yellow/Red/Green/Black

Applications:Motorcycles, bicycles and other models with disc brakes


  • Product Details
  • Dimension
  • FAQs

Product Introduction:

MK621, is a delicate and compact triangle disc lock, made of zinc alloy material, 5.5mm lock bolt/pin,and an effective lock groove (eating plate depth) is 40mm, with the ability of strong anti-theft, anti-prying, and  easy to operate. It can be widely used on motorcycles, bicycles, electric bicycles, mountain bikes, and other bikes.


Product features:

1) Zinc alloy lock body, 5.5mm lock pin, effective lock groove 40mm (eating plate depth)

2) It is suitable for disc brake with a small hole diameter greater than 6.5mm and width less than 40mm

3) Open by keys, has a small appearance, which is convenient to operate and worry-free anti-theft.

Should disc brake lock be on front or rear?
The discs of the rear wheels are generally more awkward to remove; for this reason the disc lock should be used on the rear wheel.

What are the disadvantages of disc lock?
Traditional disc locks will usually allow the bike to get rolling before hitting the brake caliper and potentially causing significant damage. The weakness of all normal disc locks is that, no matter how hard they are to attack, the disc is the weak point.

Are disc locks better than padlocks?
Disc locks are arguably more secure than padlocks. The shackle on disc locks is rounded, making it difficult to cut with a pair of bolt cutters. And only a small part of the shackle is exposed. Disc locks have a closed shackle, whereas padlocks have an open shackle.

What are the 3 types of disc brakes?
There are two types of disc brakes. The “opposed piston type disc brake” has pistons on both sides of the disc rotor, while the “floating type disc brake” has a piston on only one side. Floating caliper type disc brakes are also called sliding pin type disc brakes.

Are disc brakes safe?
Are disk brakes dangerous? No , a disc brake is much more efficient than a drum brake. But if you have a light weight vehicle like a motorcycle , you may be able to lock the front wheel in wet weather , this could be a hazard.

Can you use a disc lock for a bicycle?
yes, you can.

Can you break into a Disklok?
A thief will need a lot of patience, serious tools and isolation to remove one of these, but they also require time and effort to fit every time you finish a journey. More surprising is that the cheaper Streetwize offered better protection for some vehicles than the Disklok.

Why use a disc lock?
Disc locks are heavy-duty locks in the shape of a disc that are designed to make it nearly impossible for thieves to pick using shims or something similar. Not only are disc locks unbreakable by anything short of a power grinder, they’re cheap too.

Where is the best place to put a disc lock?
This advice applies to disk locks too – always try to fit it to the rear wheel if you can, not the front. If you can, don’t park in the same spot every day – changing your route will make you less of a target.



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