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RoundLock Padlock

**COVID-19 Restrictions & Lockdown: We are unable to ship to any locations outside mainland UK at present, due to the COVID-19 New Variant virus combined with the Brexit situation. We are also unable to accept any visitors into our building due to COVID restrictions. *No exceptions** Please see our News page for more details.

RoundLock Padlock
1 of 4

RoundLock Padlock

Discounts Apply !
  •    Info
  •    Tech
  •    Video
  •     Reviews

Our custom-made SecurityForBikes RL21 RoundLock super-compact padlock. Sold Secure Motorcycle Gold/Quad & ATV Gold/Bicycle Gold/Motor Scooter Gold approved with any appropriately-approved chain and also on its own (e.g. as a disc lock).

The RoundLock is lighter and a lot more compact than the Squire SS65CS whilst offering similar security at a much cheaper price. Note that this is a 2-part lock where the top section comes out completely and is then re-inserted sideways through the chain and into the female lock receiver. It may be slightly harder to use than the SS65CS as a result (although you typically need 2 hands to fit that lock to a chain as well).

Disc detainer anti-pick cylinder with 9 discs, protected by rotating anti-drill hardened alloy steel plate.

3 keys supplied.

Keyed-alike available at initial order only (not available retrospectively) when ordering more than one lock together, and only amongst other RL21(A) locks and/or DIB-Series D-Locks. These locks can't be keyed-alike with any of the Squire locks.

Very compact and a perfect partner for Protector 16mm chains at a great price! Not suitable for our 19mm chain unless the optional extra RL21A socket is also purchased and that is used in place of the standard RL21 socket.

The RL21 can sometimes be used with our Protector 13mm chains - it's a close fit and the manufacturing tolerance on the chains can make-or-break the idea of the combination. Check to see if we have the corresponding Package Deal available - if it shows as available to order then we have a batch of chain that fits the RoundLock!

This lock can also be used as a motorcycle disc lock - Check that you have a suitable opening that will take the 21mm diameter shackle in your brake disc or disc carrier. You can then use this with a chain when at home and as a disc lock when out and about.

The RoundLock is generally not suitable for 11mm (or, sometimes, 13mm) chains or for use with hasps, padbars, etc.

The lock body is 40mm diameter and in the locked position it measures approximately 77mm long overall. That excludes the the plastic cap at approximately 6mm thick.

21mm diameter shackle.

Weight: 0.55kg

Click for more technical information on the RoundLock.

Below is a short video overview of the SFB RoundLock, showing how it can be used with our Protector 16mm and 13mm chains and, with the optional RL21A socket, with the 19mm chains:

 
65 Product Reviews - Average rating 4.8 / 5 (Click here to expand and to show more reviews)

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Amazing Little Lock

- 26/03/2021

An incredibly robust and compact lock, at a really competitive price. Special thanks to David for amazing customer service and a really quick dispatch.

Great product at fantastic price with an amazing service!

- 26/03/2021

I bought this product after I read the reviews online. I received it today and it looks solid and compact, exactly what I was looking for. It's a fantastic value-for-money product, however, the most amazing surprise was the fast dispatch and the incredibl...

great product

- 19/03/2021

super strong super simple and super service, Buy one today you will not be sorry

Seriously impressive well considered design

- 15/02/2021

I was looking for a new lock for a while. Looking for the impossible: doesn't brake the bank but is seriously good security. I wasn't sure about the RoundLock but after a bit of research I was damn near convinced. Then I watched the LockPickingLawyer vide...

Extremely solid and exceptionally well made

- 02/02/2021

I bought this lock primarily as a heavy duty disc lock, the quality and construction is fantastic. Yes it is more expensive than much of the rubbish made in China and with good reason - it is built to last. Service and comms also spot on, will def be my g...

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Price (inc VAT): £39.95

 

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