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Disc rotor locks have been popular for motorcyclists for many years but with the proliferation of bicycles now using them smaller, more compact versions for bicycles have been created. They work by inserting a metal pin through the hole in the disc rotor between the seatstay and chainstay, preventing
401:
A common design flaw among low-quality combination-lock cables allows thieves to peer into the grooves between the disks. This allows them to decipher the unlock combination while cycling through the individual numbers on each disk. Also, if the number of disks is low, the thief doesn't even need to
429:
The O-lock also conveniently secures the rear wheel: only locking the frame is needed, to secure both the frame and the rear wheel. Used in addition to a U-lock it can be a convenient second lock. Some models have an optional cable or chain that plugs into the body of the lock to enable the bicycle
425:
An O-lock prevents riding the bicycle but does not, by itself, secure the bicycle to a stationary object. This type of lock is effective and convenient for securing a bicycle against opportunistic theft, when the bike is left unattended momentarily. It forces the thief to carry the bicycle. It is a
341:
A chain is only as strong as its weakest link, which may be the lock itself. Although a cheap keyed or combination lock may be an appropriate match for a hardware store chain, a case-hardened security chain necessitates a specialized lock such as a monobloc padlock or mini u-lock. Compared to other
260:
Locking devices vary in size and security, the most secure tending to be the largest, heaviest and least portable. Thus, like other security equipment, bicycle locks must balance the competing interests of security, portability, and cost. Some are made of particularly expensive materials chosen for
321:
lock is a chain with a lock. It often has a key or a combination lock attached to it. A long enough chain can pass through both wheels, the frame and attach the bicycle to an immovable object. Because of their inherent flexibility, chains are easier to secure around tricky-shaped objects than
325:
Chains vary widely in their security level. If the chain is bought from a hardware store, it is most likely made from basic iron or steel and can easily be cut with a relatively inexpensive pair of bolt cutters. Chains specifically designed for bike security are often
461:
Disc brakes are a popular braking system for bicycles, most notable for mountain bikes but recently there has been an increase in their popularity for road bikes, especially after the UCI approved them for use in professional races in May 2018.
275:
290:, parking meter or other pole installed securely in the solid ground. Merely locking the bike frame to the wheel is not recommended because, although it cannot be rolled away, the entire bicycle can still be lifted and carried away.
509:
published a four-minute show in which a former bicycle thief removed eight consumer-grade locks (cheaper than €30 / ≈$ 40) from a bike in times ranging from 10 to a maximum of 84 seconds. The locks included those from manufacturers
386:
The main advantage of cable locks over chains is the ease of transporting them. Simple cable locks, however, are only sufficient for use in low-risk areas. Even the largest diameter unprotected cable can be quickly cut with
297:. A common brute force method to break open U-locks is to use a long length (perhaps 2 metre) of pipe to twist the lock open (although this method is more commonly used to defeat chain and cable locks).
383:
locks are in many ways similar to chain locks. Cable locks often come with the locking mechanism already permanently integrated. Otherwise, a length of cable with loops on both ends can also be used.
422:
Also called an O-lock, ring-lock or frame lock. This is a low security mechanism mounted on the frame that immobilizes the rear wheel by moving a steel bolt through the spokes to prevent motion.
466:
the wheel from rotating and virtually immobilising the rear wheel. The locks themselves are small, metal devices that sit around the edge of the disc rotor and are locked with a key insertion.
540:", which is a pole that gives the biker the appearance of security. A bicycle thief may target the bicycle because the pole can be quickly and easily dismantled, even in broad daylight.
490:
showed that all of the bicycle locks tested, which had a variety of certifications, could be broken in less than 42 seconds. Cables and chains were breached using either small
398:
to secure the frame. Special strong cables are available which are made with a loop at each end continuous with the cable, which enable linking with a locking device.
502:. Of the locks tested, five had a Sold Secure Gold rating, varying in price from £25 to £100. Two of these Gold rated locks withstood only 10 seconds of attack.
282:
A U-lock is a rigid metal ring in the shape of the letter U. The U part of the lock attaches to a crossbar section, and for this reason they are also called
449:, and can send a notification if they are breached. Several smart bicycle locks have been produced through crowdfunding and sold as consumer products. Some
761:
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U-locks are more secure than most other kinds of locking mechanism because they are more resistant to cutting with high-leverage hand tools such as
608:
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474:
Test standards that rate the effective security of bicycle locks are provided by various companies and organizations, depending on location.
391:. More robust cable locks have overlapping steel jackets threaded over the cable. This can make it more difficult to cut the central cable.
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common way to secure bicycles when someone is at home, if their company provides indoor bicycle parking, and at railway station parking.
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Bicycle locks are only effective when they are used on secure objects. For example, a bicycle lock is useless when connected to a "
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Please help improve this article by looking for better, more reliable sources. Unreliable citations may be challenged and removed.
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Many cyclists use a long cable to secure bicycle components (such as the wheels or seat) in conjunction with a U-lock or
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locks, chains tend to be the heaviest solution, especially in the case of long and/or tough chains.
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also use them. Smart locks introduce added security risks through the possibility of hacking.
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In the UK, a lock certified by Sold Secure or
Thatcham is usually required in order to
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To lock the bicycle, one locks it physically to some other object, such as a
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734:"Bitlock crowdfunded a smart bike lock in 2013. What happened next?"
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843:"Disc Brakes Are on the Verge of Taking Over Pro Racing in 2018"
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706:"Solar-powered Skylock smart bike lock offers security, sharing"
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security chain and monobloc padlock to secure a bicycle.
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Simple cable lock (left) and steel-jacketed cable lock
642:"Your U-Lock Is Basically Worthless, but Don't Worry"
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815:"75 Percent of Bluetooth Smart Locks Can Be Hacked"
90:. Unsourced material may be challenged and removed.
445:technology to allow a lock to be unlocked with a
945:
870:. QuickRelease.TV. 2008-02-14. Archived from
762:"New Rochelle to roll out bike-share program"
682:. QuickRelease.TV. 2008-02-14. Archived from
418:A wheel lock only immobilizes the rear wheel.
338:link surfaces more impervious to hand tools.
8:
498:, and D-locks were breached using a stubby
261:their acceptable strength and low density.
53:Learn how and when to remove these messages
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221:Learn how and when to remove this message
203:Learn how and when to remove this message
150:Learn how and when to remove this message
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406:(try every combination until it opens).
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481:a bicycle or motorcycle against theft.
789:"Japan is making bike-sharing a thing"
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888:
787:Van Boom, Daniel (22 November 2016).
609:"Cycle Magazine: Gone in 42 seconds!"
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88:adding citations to reliable sources
572:Bicycle transportation engineering
402:peer into it and can simply use a
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813:Wagenseil, Paul (7 August 2016).
732:Lomas, Natasha (April 28, 2016).
34:This article has multiple issues.
16:Type of lock used to secure bikes
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900:"Kassa3 - 'how to steal a bike'"
618:. pp. 42–46. Archived from
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484:Tests carried out on behalf of
75:needs additional citations for
42:or discuss these issues on the
1541:Glossary of locksmithing terms
925:Locks tested by ART Foundation
607:Carlton Reid (February 2008).
1:
1475:Perimeter intrusion detection
505:The Dutch consumer news show
237:Frame and front wheel secured
1454:Miniature snap-action switch
1201:Time-delay combination locks
760:Reiner, Dan (29 July 2016).
563:- also known as bicycle rack
1556:John M. Mossman Lock Museum
1546:Electromagnetic door holder
704:Kerr, Dara (May 15, 2014).
376:Cable with combination lock
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904:Kassa (television program)
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1414:Closed-circuit television
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1298:Kensington Security Slot
1211:Tubular pin tumbler lock
1661:Locks (security device)
1515:Vandal-resistant switch
1469:Passive infrared sensor
1399:Alarm monitoring center
1196:Rotary combination lock
1045:Components and hardware
451:bicycle-sharing systems
430:to be secured as well.
175:Some of this article's
1571:Lock Museum of America
1087:Bored cylindrical lock
868:"Lock breaching table"
616:Cyclists' Touring Club
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1599:Category:Locksmithing
1510:Ultrasonic transducer
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249:device used to deter
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1480:Photoelectric sensor
1434:Glass break detector
1333:Real-estate lock box
1232:Electromagnetic lock
1104:Single-point locking
1057:Interchangeable core
980:Fundamental concepts
680:"Lock it or lose it"
84:improve this article
1576:Musée de la Serrure
1429:Fingerprint scanner
1338:Steering-wheel lock
1273:Chubb detector lock
1181:Magnetic keyed lock
1109:Three-point locking
470:Standards and tests
270:U-locks and D-locks
1216:Wafer tumbler lock
1176:Lever tumbler lock
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404:brute-force attack
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1551:Exit control lock
1278:Child safety lock
1171:Disc tumbler lock
1022:Physical security
648:. 27 October 2014
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906:. Archived from
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1485:Piezo switch
1394:Alarm device
1361:Lock bumping
1353:Lock picking
1313:Luggage lock
1263:Bicycle lock
1262:
1247:Keycard lock
1140:Skeleton key
1092:Mortise lock
1072:Key retainer
969:lock picking
965:locksmithing
908:the original
876:. Retrieved
872:the original
862:
851:. Retrieved
849:. 2018-01-03
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745:November 18,
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684:the original
650:. Retrieved
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620:the original
567:Bicycle tree
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82:Please help
77:verification
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36:Please help
33:
1581:Puzzle lock
1566:Lock Museum
1500:Reed switch
1409:Card reader
1318:Night latch
1268:Bramah lock
1161:Warded lock
997:Key control
824:26 November
819:Tom's Guide
798:26 November
772:26 November
582:Wheel clamp
538:sucker pole
532:Sucker pole
500:bottle jack
439:Smart locks
434:Smart locks
346:Cable locks
336:Trapezoidal
180:may not be
1650:Categories
1444:Key switch
1293:Door chain
1125:Berlin key
878:2008-07-10
853:2018-06-29
739:TechCrunch
690:2008-07-10
652:2016-07-18
589:References
530:See also:
447:smartphone
410:Wheel lock
193:April 2019
140:April 2019
110:newspapers
39:improve it
1424:Dual loop
1404:Car alarm
1366:Locksport
1288:Dead bolt
1283:Crash bar
1206:Time lock
1145:Smart key
1062:Key blank
847:Bicycling
768:. Gannett
646:Bloomberg
443:Bluetooth
332:Hexagonal
322:D-locks.
288:bike rack
255:bike rack
45:talk page
1505:Tripwire
1376:Snap gun
1371:Slim Jim
1343:The Club
1303:Knox Box
1135:Keychain
1097:Rim lock
1067:Key code
1027:Rekeying
1017:Password
544:See also
520:Halfords
367:Halfords
284:D-locks.
247:security
182:reliable
1186:Padlock
1130:Car key
1082:Lockset
1077:Lockrod
1052:Bitting
507:Kassa 3
494:or 36″
396:padlock
363:padlock
124:scholar
1449:Keypad
971:, and
479:insure
278:U-lock
126:
119:
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97:
1622:Locks
1471:(PIR)
1308:Latch
961:Locks
623:(PDF)
612:(PDF)
381:Cable
319:chain
313:Chain
265:Types
245:is a
131:JSTOR
117:books
1634:Book
1610:Keys
1118:Keys
826:2016
800:2016
793:CNet
774:2016
747:2016
719:2016
711:CNET
518:and
516:Hema
512:ABUS
441:use
103:news
334:or
86:by
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967:,
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