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Protector 13mm Chain Only

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Protector 13mm Chain Only Reviews for the product - Protector 13mm Chain Only -
132 Product Reviews - Average rating 5 / 5 (Best Rated | Worst Rated | Most Recent | Oldest)
That's some chain
- 19/07/2023
Though there are even sturdier models, the 13 mm one I got is already very good for my electric bike in combination with my DIB D-Locks. The chain is heavy. The noose version is really worth the money. Thanks for the detailed explanation on the site (text and videos) as well as for the profesional-quality service.
Même s'il existe des modèles encore plus massifs, celui de 13 mm que j'ai acheté est déjà très bien pour mon vélo électrique combiné aux antivols en U (DIB D-locks). Cette chaîne est lourde. La version "noose", avec un anneau plus large à une extrémité, vaut vraiment la dépense supplémentaire. Merci pour les explications détaillées sur le site (texte et vidéos) ainsi que pour le SAV très pro.
[ Pragmasis Comment: Merci beaucoup pour votre deuxieme comment en Francais. Pardonez mois que notre 'website' est seulement en Anglais. Ma Francais est tres mal! Encore encore merci beaucoup :-) ]
Great chain - brilliant company
- 13/05/2017
I was after a chain and padlock to secure my motorcycle to an Oxford Rota Force ground anchor. Unfortunately the loop in that anchor won't accept a 16mm chain so I opted for the 13mm chain. The added advantage of this is that is fits through the hole in the rear axle,of my R1200GS. I feel this is a better option than threading through the frame as well. I bought a package with the Squire padlock as well - and a great padlock it is. I wish I had checked this company out beforehand then Inwoikd also have bought their Torc ground anchor - bugger! I purchased a 2m chain and would definitely recommend getting a slightly longer chain than you think you need to give more flexibility. The service from Pragmasis was fantastic - personal emails to advise of despatch and ordering. I didn't call them, but I am sure they would offer the right advice to ensure you choose the right solution for your needs.
Great product
- 01/04/2015
Bought the 2m chain with a loop on the end.

It's a solid product and not as heavy as expected, so is fine to thread through a number of bike frames.

This is not a criticism by any means but as the links are pretty chunky, the lock I had wouldn't close around the standard links, so it was a good excuse to upgrade the padlock too :-)
Electric Bikes
- 10/05/2017
Having just retired we decided to purchase 2 new Electric Bikes. These will be kept in an outbuilding on our property. We purchased a 13mm protector chain which is fastened with an anchor to a brick wall, the other end connected to a good quality Abus D lock. The chain is top quality with a sturdy sleeve. It would probably be too heavy to carry on a bike but as it is a permanent fixture weight doesn't matter. Although the chain is fairly expensive (as are the Abus D locks)in security you only get what you pay for. Cheap products are a false economy. Very satisfied customer.
Top Quality Chain
- 28/04/2017
Ordered the 13mm 1.5m chain to carry in my motorcycle tail pack. Fantastic chain, received the next morning. Excellent thanks.
Protector 13mm chain
- 07/10/2020
I have purchased 3 of these 13mm chains over the last few years and they have proven to be very durable, resistant to rust and corrosion (I keep them in situ outdoors year round). The size and weight of the chains act as a very effective deterrent to cycle thieves. Whilst many other bicycles have been stolen in both locations used, my Pragmasis chains have ensured that my bike is not an easy target. Great products at reasonable prices (not cheap - but a bike costs alot more to replace!)
Good Quality Chain
- 07/09/2021
Fast delivery and well packed
Brilliant 13mm chain.
- 02/03/2016
Highly recommend this company,their customer support is fantastic,the chain is brilliant,very pleased,very fast delivery,will be using these guys again.
Thanks.
This 13mm noose chain and Squire lock combo is the works.
- 27/06/2013
This 13mm chain and lock combo is the works. I was musing about getting the 16mm but the 13mm is more than serious enough for any road bike. The 16mm is more likely to damage your bike (especially if carbon) than protect it so stick with the 13mm. The lock is pretty serious and there's a snug fit between chain and lock so no room for leverage attacks.

I also went for the noose option. To be honest, I couldn't quite work out the benefit until I read the helpful article on this site (under how to use the chain and lock). The noose ring (an oversized loop at one end) enables you to have two locked circuits of chain rather than just one. At one end, the chain loops around the anchor point and through the noose ring, then the other end uses the normal end of the chain to loop through any other part of the chain. You then attach the lock and voila!

Customer service from these guys was great, courier (parcel force) followed the specific delivery instructions to the letter. Super fast delivery. Would definitely use again!
Serious security
- 01/07/2013
I got a few 19 / 13 / 11 mm chains for shed security. Seriously weighty deterrents. I wouldn't bother if I were a tea leaf. Thanks!
Terrific product
- 24/07/2013
Hi, can't say how much help Steve was prior to purchase. Went into great detail of what was best for me, was going to buy the 16mm chain however when I told Steve I was going to use it for a European tour he advised me on the 13 mm chain, I'm glad I listened to him. Perfect..
Perfect items & service
- 17/11/2019
Thanks to David, Steve and all there for helping me when I changed my mind with my order once I went to collect it.
Such helpful guidance in person and on the website means my bike is now firmly anchored to the floor with keyed alike padlocks for convenience.
Perfect all round - just wish all purchases could be this easy!
Excellent second lock for major cities
- 06/12/2019
I purchased this lock together with an Abloy PL350 to function as a very solid secondary bicycle lock for my bike, which is kept in a Cyclehoop bike hangar in inner London. My primary lock is a Kryptonite NY M18 DLock, around the seat tube, rear wheel and crank and the protector chain complements this perfectly around the front wheel and down tube, so both locks can fit to a secure object. I think a d-lock and chain work well as a set up to mix up the two lock styles.

I do not think of this as a ‘portable security’ option, it is still very heavy so is part of a heavy duty ‘home security’ up. In the very rare occasions where I would lock up my bike whilst out and about I would choose to take my Dib series d-lock.

The manufacturing quality on the chain is clearly very high and Pragmasis’ customer service is always excellent. I sense that they take a good deal of pride in their products
[Pragmasis Comment: Yes, we do have a pride in our work. We care, a lot. We want to make good quality products in an environmentally and ethically sound way. It's the only way to behave if you want to build a sustainable business, in our opinion.]
Perfect Peace of Mind
- 11/05/2018
I have no worries about the security of my high value bikes with this chain coupled with the Torc ground anchor and Squire lock. Brilliant!
First class chain
- 12/08/2021
First class service from David fast post arrived on time Recommend this company.
Peace of mind.
- 26/04/2016
Living in a high crime rate area of Leeds I have bought two Protector 13mm Chains and a Squire Padlock to secure a number of high value road and mountain bikes which are stored in a basement. Comparing the Protector 13mm chain to other "sold secure" chains available for high street bike stores makes the other chains look a little on the flimsy side! Excellent service and communication throughout the transaction and delivery, I won't hesitate to return if I need any other security products. Many thanks!
Quick service and a good product
- 11/11/2019
Parcel arrived in The Netherlands in two days.
The 13mm chain 1,2m length is light enough to be carried in a pannier.
Except for the 13mm chain I also got the 16mm and two keyed alike D-locks. Various ways to use the D-locks, I think they provide more flexibility than padlocks.
Note that 16mm is quite heavy - to be used only for home parking.
All products seem very high quality.
Great service, great product
- 15/03/2023
Ordered a 2m 13mm chain on Monday afternoon and had it arrived on Wednesday morning. Chain is exactly as described and was really well packaged
Perfect Carry Chain for motorbike
- 29/02/2016
Perfect chain to carry on a motorbike to provide the best security when out and about.

Great product and great service
Excellent product
- 06/09/2020
I was pretty sure after reading all the reviews before purchasing this chain I wouldn't be disappointed and I wasn't.
The chain is of excellent quality and service first class. I was kept informed every step of the way by David about my order and it arrived within 3 days.
Can't fault this company, would highly recommend
13mm chain package
- 29/03/2017
A well made chain and lock, very reassuring knowing I have this fitted. Top service from Security For Bikes too.
Second Order
- 31/03/2017
This is the second time I've ordered a 13mm chain and SS50CS padlock. I've had the same set up protecting my mountain bikes for the last couple of years, with a lot of reassurance provided by them. A new bike meant some additional security was required.

The service from Pragmasis has been exceptional. I asked for a 'keyed alike' lock to save confusion. David kept me up to date throughout the ordering process, explaining timescales, etc. The chain and lock arrived quicker than expected but an early email notification meant I could ensure someone was home to accept the delivery.

Absolutely spot on service and a product that I feel I can trust to do its job. So much so that I recommend Pragmasis whenever anyone asks me about bike security.
13 mm Chain
- 22/07/2018
Beautifully made, with a high quality sleeve. I am using it with the round lock from the package deal. Great website to help guide you to the right choice. Actually the various tips are helpful in getting maximum security. Who knew this topic could be so interesting!
High quality chain
- 04/04/2017
I ordered 1,2 meter 13mm chain with a noose chain at the end for my bicycle. 1.2 meter is enough for most uses and the noose adds a lot of versatility. Very well made, I'm a happy customer.
Serious chain
- 08/01/2014
Like the heading says the chain is a serious bit of kit. Whatever this chain is wrapped around is not getting stolen! Tough, well made, very visible. Excellent!
CHAIN AND PADLOCK LOOKS GREAT.
- 15/01/2014
Thanks for the fast delivery. Ordered this Monday morning, safely received by midday Wednesday in The Netherlands. Super strong chain and padlock. This chain inspires confidence. Feel safe leaving your bike outside without having to worry about it being there when you come back.
Simply amazing product
- 20/01/2014
Received my 13mm Protector chain this morning, very fast delivery. I choose this chain after many hours of searching on the internet and this chain seemed to be the only one anyone trusted. The honesty and confidence Pragmasis was also refreshing.

This Chain is a beast! The engineering is incredible. This chain gives you confidence & peace of mind.
2.0 noose chain
- 17/02/2014
A unique product.
More manageable than what I have expected, knowing the numbers.
Well worth paying for!!
- 26/02/2014
Bought this chain along with the recommended lock and a shed shackle after having our shed broken into twice last year and bikes taken both times. The shed was broken into again last night but bikes still there!!!! Does exactly as they say
4m 13mm Protector
- 10/03/2014
I bought the 4m length of this chain after using string to work out how long it needed to be to go through 4 bikes in a bike circle - 4m is just right. The chain looks very heavy and well made - much stronger than expensive ones from Oxford and Abus I previously owned. I've now ordered a 2.5m one for another shed! Anyone thinking they the 16mm for bicycles needn't worry - this is definitely strong enough and thicker than the majority of motorbike locks, let alone bicycle ones. I also googled this and reviews are consistently great - would strongly recommend.
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