Zefal Lock'N'Roll QR Antitheft Skewer - Pair
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|Complete Skewer Set||
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Award winning innovative new protection for your bike! The Lock N'Roll security skewer system from Zéfal is as astoundingly simple as a strong deterrent and security proposition. Complete Skewer set.
Top Features of the Zefal Lock'N'Roll QR Antitheft Skewer - Pair
They work in exactly the same way as a normal skewer, slide through the hub, make sure it's tight and then close the lever - the trick with Lock N'Roll is, when your bike is the right way up, wheels on the ground and saddle upwards, these skewers cannot be opened once locked over.
To unlock them, you must invert the bike so it's resting on the saddle and bars with the wheel upwards. If your bike is securely locked upright to a post or rack, Lock N'Roll cannot be opened and your wheels and saddle cannot be stolen, yet you retain the practicality and ease of use of quick release skewers in the event of a puncture, mechanical problem or need to store or transport your bike with wheels and saddle off.
About Quick Release Skewers
Quick release skewers are rods which are threaded at one end, with a cam assembly on the other. This combines to make a lever operated cam system. The quick release mechanism was invented in 1927 by Tullio Campagnolo, who was an Italian bicycle racer. He was frustrated when he needed to repair a flat tyre during a race, the weather had turned cold, and his hands were numb, so he could not operate the wingnuts which retained the wheel. He had been well-placed prior to the puncture, but lost valuable time, so decided to develop a quick release skewer system which enables simple wheel removal in seconds.
About the Zefal brand
Zéfal is a worldwide leading manufacturer of cycling accessories.
Zéfal is a worldwide leading manufacturer of cycling accessories: pumps, bottles, bottle cages, mudguards, racks, bags, maintenance products...
Since 1880 Zéfal’s main focus has been innovation. After the invention of the Presta valve (also called the French valve), Zéfal has registered many patents to improve the efficiency and ease of use of cycling accessories.
Today our people still share the same passion for innovation as 130 years ago.
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Product Q & A
Ask your questions and share your answers.
1. By a magnet.
2. By brute force by twisting the quick release 180'
3. By another easy method?
Is this correct? is it possible to bypass this security by these simple methods? I have asked this question of Zefal on from their website and have received no response.
Im just asking this as this is what the biking community is saying in all their forums. I would like to buy these but it is no point me or any other customers buying these if our security is going to be compromised - not a good result for all.
We (the community) are not looking for the standard 'well if a thief really wants your bike' response, but specifically related to these skewers and the above 3 questions.
Thanks and we look forward to your trustworthy advice!
In answer to question no.2, this is not possible if the skewers have been fitted correctly. Part of the mechanism stops you from doing this.
I guess brute force can overcome any physical mechanism - it just depends how much force is necessary. I don't think you could force the mechanism by hand, and I'm not going to try destroying my own bike with a hammer or anything!
Also, in response to the standard "well if a thief really wants your bike" response, I think the key is just to make your bike less susceptible than all the others it's parked with. If you were out looking to steal a bike, I reckon that you might have a pair of wire-cutters with you, but not a hammer (assuming that even works). On that basis, I'm happy with the product.
I haven't got a magnet here (at work) so I'll try to answer that question later on.
1. By a magnet,
I cant see how a normal magnet could effect them have tried it with mine and it doesnt seem to work or effect it.
2. By Brute Force Twisting the Handle 180,
Yeah Sure, but it will need a LOT of force, probibly some tools to help with you with that.
3. Any other Easy methord,
Not as far as i can see, again i have only played with mine for 2 weeks but as far as i can see there is nothing that can easily defeat them.
Hope this of Help
Is the complete set with two wheel and one seatpost skewers?
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