2024 UIOP Top 20 Bike Locks for sale

• #1

  

  UIOP

  U-shaped Anti-theft Lock Bike Vehicle Security Electric Motorcycle Bicycle Locks For Outdoor Cycle Biking Entertainment 820 (Color : Black, Size : 180x130mm)

  £32.18

  #UIOP017

  1 Thick lock cylinder for security and anti-theft|2 The silicone cover does not damage the car body|3 The safety level is higher|4 The hidden lock hole is waterproof and dustproof|5 All round package design: silicone full package, smooth surface and comfortable touch

• #2

  

  UIOP

  Electric Bike Lock Security Anti-theft MTB Bicycle Lock With Keys Bicycle Lock Fixing Bracket U-lock 820 (Color : Black, Size : 210x110x20mm)

  £53.64

  #UIOP017

  1 Thick lock cylinder for security and anti-theft|2 The silicone cover does not damage the car body|3 The safety level is higher|4 The hidden lock hole is waterproof and dustproof|5 All round package design: silicone full package, smooth surface and comfortable touch

• #3

  

  UIOP

  Electric Bike Lock Security Anti-theft MTB Bicycle Lock With Keys Bicycle Lock Fixing Bracket U-lock 820 (Color : Black, Size : 210x160x32mm)

  £45.59

  #UIOP017

  1 Bold lock cylinder security|2 Silicone coat does not damage the body|3 Higher safety level|4 Silica gel wrapping: waterproof and rust proof, longer service life of car lock|5 Omnidirectional wrapping design: silicone fully wrapped, smooth surface and comfortable touch

• #4

  

  UIOP

  Bike U Lock With Cable Bike Lock Heavy Duty Bicycle U-Lock With Mounting Bracket For Road Bike Mountain Bike 820 (Color : Chocolate, Size : One size)

  £48.28

  #UIOP017

  Sturdy and Durable: Heavy duty bicycle U lock is made of hardened max-performance steel shackle resists cutting and leverage attacks|Easy and strong to lock your bike:The bike lock with 14mm U shack to lock and go! Locking your bike and your wheels with 10mm x 1150mm cable, fast and easy with our quick, no-hassle system|Design and PerformanceSilica gel layer coated protect the d-lock bike lock prevent scratched Waterproof bike lock with mounting bracket|Amazing Convenient and Security : The bike U-lock come with 3 keys, one of them you can take and use in daily life and the other you can leave at home in case the trouble when you lose one carelessly

• #5

  

  UIOP

  Bike Lock Anti-theft Security Reflective Design Password Cable Lock MTB Road Bike Safety Key Lock Cycling Accessories 820 (Color : Code Type, Size : 1.8m)

  £33.53

  #UIOP017

  1 Surface reflective strip design, with night warning function, PVC outer layer is not easy to deform|2 Divided into password payment and key payment|3 Electroplating process of inner alloy material of ABS alloy steel at the lock shell|4 The car lock frame is convenient to carry and travel outdoors, and the installation is convenient and firmly fixed

• #6

  

  UIOP

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Ulock, Size : One size)

  £46.67

  #UIOP017

  1 The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!|2 The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation Both ends are sheathed with aluminum buckles and environmentally-friendly PVC It is beautiful and can be used to lock the frame together with a U-shaped lock|3 The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body|4 Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avo...

• #7

  

  UIOP

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : U Lock With Chain, Size : One size)

  £51.49

  #UIOP017

  1 The U-shaped lock beam can resist hydraulic shear after heat treatment, and the safety factor becomes higher|2 Lengthen the steel cable: one lock to lock multiple cars, lock fixed objects|3 One lock for multiple purposes: It is better to tie the baggage with the shelf!|4 Pure copper serpentine slot key, beautiful and wear-resistant|5 The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber coating technology, which makes the hand feel comfortable And will not produce harmful substances to cause harm to the human body

• #8

  

  UIOP

  Safety Motorcycle Scooter Cycling Lock Bike U Lock Safety Waterproof Bicycle Padlock With 2 Keys Anti-Theft 820 (Color : Black, Size : 210x110x20mm)

  £40.23

  #UIOP017

  1 Thick lock cylinder for security and anti-theft|2 The silicone cover does not damage the car body|3 The safety level is higher|4 The hidden lock hole is waterproof and dustproof|5 All round package design: silicone full package, smooth surface and comfortable touch

• #9

  

  UIOP

  Universal Anti-Theft Bike Bicycle Lock Stainless Steel Cable Coil For Castle Motorcycle Cycle Mtb Bike Security Lock 820 (Color : Red, Size : 90cm)

  £21.46

  #UIOP017

  1 This cable and hose products are non-toxic, odorless harmless PVC materials, compliance with EU environmental standards and testing requirements|2 Plastic shell made of high quality ABS material, no cracking at low temperatures at 40 degrees Celsius environment without deformation|3 Durable, super anti-cut, trustworthy; with abrasive resistance copper keys, easier to use|4 suitable for use with a fixed object lock together for your bicycle safety, to avoid the car thieves easily removed from parking spaces So this is a very solid, very useful bike locks

• #10

  

  UIOP

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Set, Size : One size)

  £57.93

  #UIOP017

  1 The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!|2 The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation Both ends are sheathed with aluminum buckles and environmentally-friendly PVC It is beautiful and can be used to lock the frame together with a U-shaped lock|3 The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body|4 Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avo...

• #11

  

  UIOP

  Bike Lock Anti-theft Security Reflective Design Password Cable Lock MTB Road Bike Safety Key Lock Cycling Accessories 820 (Color : Key Type, Size : 1.2m)

  £29.50

  #UIOP017

  1 Surface reflective strip design, with night warning function, PVC outer layer is not easy to deform|2 Divided into password payment and key payment|3 Electroplating process of inner alloy material of ABS alloy steel at the lock shell|4 The car lock frame is convenient to carry and travel outdoors, and the installation is convenient and firmly fixed

• #12

  

  UIOP

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Dark Grey, Size : 100cm)

  £21.46

  #UIOP017

  1 100% brand new and high quality|2 Cable bicycle lock, with good quality|3 Mini, easy to carry, practical|4 Double end loops, fit to lock bike|5 Use with padlocks or as a secondary security with U-locks

• #13

  

  UIOP

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : White Cable Lock, Size : One size)

  £25.75

  #UIOP017

  1 The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!|2 The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation Both ends are sheathed with aluminum buckles and environmentally-friendly PVC It is beautiful and can be used to lock the frame together with a U-shaped lock|3 The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body|4 Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avo...

• #14

  

  UIOP

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Only U Lock, Size : One size)

  £32.18

  #UIOP017

  1 The U-shaped lock beam can resist hydraulic shear after heat treatment, and the safety factor becomes higher|2 Lengthen the steel cable: one lock to lock multiple cars, lock fixed objects|3 One lock for multiple purposes: It is better to tie the baggage with the shelf!|4 Pure copper serpentine slot key, beautiful and wear-resistant|5 The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber coating technology, which makes the hand feel comfortable And will not produce harmful substances to cause harm to the human body

• #15

  

  UIOP

  Bicycle U Shape Bike Cycle Wheel Scooter Motorbike Security Lock With 2 Keys Bicycle Accessories Replacement Parts 820 (Color : Black, Size : 16cm x 12cm x 9cm)

  £26.82

  #UIOP017

  1 High strength steel lock, durable and sturdy|2 Convenient and portable to use|3 Ideal for your bicycles

• #16

  

  UIOP

  Bike Cable Lock Road Bicycle Security Anti-theft Steel Wire Rope Cable For U-Lock Padlock Motorcycle Electric Scooter 820 (Color : Black, Size : 1.8m)

  £24.14

  #UIOP017

  1 This cable lock can be used as a secondary security with the U-lock (not included) together, providing extra safety for your bike|2 It also can be used with padlock|3 Lightweight and portable, easy to carry, convenient and practical|4 Double end loops fit to lock bike firmly|5 Steel wire features extraordinary durability and very difficult to break

• #17

  

  UIOP

  Bike Steel Cable Lock Bicycle Security Steel Cable With Double Loop Flex Cable Lock Cable For U-Lock Padlock 820 (Color : Black, Size : 120cm)

  £24.14

  #UIOP017

  1 Strong and cut-resistant steel cable provides security for your bikes|2 The protective vinyl coating protects against scratches|3 Double-looped ends allow for use with pad-locks, u-locks, or disc-locks|4 Plastics shell makes it not easy to deform in low or high temperature circumstances|5 Ideal for locking bicycles, motorcycles, sports equipment, etc

• #18

  

  UIOP

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Light Grey, Size : 100cm)

  £21.46

  #UIOP017

  1 100% brand new and high quality|2 Cable bicycle lock, with good quality|3 Mini, easy to carry, practical|4 Double end loops, fit to lock bike|5 Use with padlocks or as a secondary security with U-locks

• #19

  

  UIOP

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Light Green, Size : 100cm)

  £21.46

  #UIOP017

  1 100% brand new and high quality|2 Cable bicycle lock, with good quality|3 Mini, easy to carry, practical|4 Double end loops, fit to lock bike|5 Use with padlocks or as a secondary security with U-locks

• #20

  

  UIOP

  Motorcycle Mountain Bicycle E-Bike Disk Brake Safety Anti-Theft Lock MTB Bike Brake Disc Lock Bike Accessories 820 (Color : Blue, Size : 45 * 55mm)

  £21.46

  #UIOP017

  1 Solid invincible-looking design will deter thieves|2 Attaches to the disk making it extra difficult to remove without key|3 Weatherproof and durable|4 Mechanical lock core is rigorous design so that technical opening is very difficult|5 Heavy duty material for top security

UK UIOP Bike Locks

• 
  £32.18

  UIOP Bike Locks

  U-shaped Anti-theft Lock Bike Vehicle Security Electric Motorcycle Bicycle Locks For Outdoor Cycle Biking Entertainment 820 (Color : Black, Size : 180x130mm)

  #UIOP017

  1. Thick lock cylinder for security and anti-theft. , 2. The silicone cover does not damage the car body. , 3. The safety level is higher. , 4. The hidden lock hole is waterproof and dustproof. , 5. All round package design: silicone full package, smooth surface and comfortable touch

• 
  £53.64

  UIOP Bike Locks

  Electric Bike Lock Security Anti-theft MTB Bicycle Lock With Keys Bicycle Lock Fixing Bracket U-lock 820 (Color : Black, Size : 210x110x20mm)

  #UIOP017

  1. Thick lock cylinder for security and anti-theft. , 2. The silicone cover does not damage the car body. , 3. The safety level is higher. , 4. The hidden lock hole is waterproof and dustproof. , 5. All round package design: silicone full package, smooth surface and comfortable touch

• 
  £45.59

  UIOP Bike Locks

  Electric Bike Lock Security Anti-theft MTB Bicycle Lock With Keys Bicycle Lock Fixing Bracket U-lock 820 (Color : Black, Size : 210x160x32mm)

  #UIOP017

  1. Bold lock cylinder security. , 2. Silicone coat does not damage the body. , 3. Higher safety level. , 4. Silica gel wrapping: waterproof and rust proof, longer service life of car lock. , 5. Omnidirectional wrapping design: silicone fully wrapped, smooth surface and comfortable touch

• 
  £48.28

  UIOP Bike Locks

  Bike U Lock With Cable Bike Lock Heavy Duty Bicycle U-Lock With Mounting Bracket For Road Bike Mountain Bike 820 (Color : Chocolate, Size : One size)

  #UIOP017

  Sturdy and Durable: Heavy duty bicycle U lock is made of hardened max-performance steel shackle resists cutting and leverage attacks. , Easy and strong to lock your bike:The bike lock with 14mm U shack to lock and go! Locking your bike and your wheels with 10mm x 1150mm cable, fast and easy with our quick, no-hassle system. , Design and PerformanceSilica gel layer coated protect the d-lock bike lock prevent scratched. Waterproof bike lock with mounting bracket. , Amazing Convenient and Security : The bike U-lock come with 3 keys, one of them you can take and use in daily life and the other you can leave at home in case the trouble when you lose one carelessly

• 
  £33.53

  UIOP Bike Locks

  Bike Lock Anti-theft Security Reflective Design Password Cable Lock MTB Road Bike Safety Key Lock Cycling Accessories 820 (Color : Code Type, Size : 1.8m)

  #UIOP017

  1. Surface reflective strip design, with night warning function, PVC outer layer is not easy to deform. , 2. Divided into password payment and key payment. , 3. Electroplating process of inner alloy material of ABS alloy steel at the lock shell. , 4. The car lock frame is convenient to carry and travel outdoors, and the installation is convenient and firmly fixed

• 
  £46.67

  UIOP Bike Locks

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Ulock, Size : One size)

  #UIOP017

  1. The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!, 2. The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation. Both ends are sheathed with aluminum buckles and environmentally-friendly PVC. It is beautiful and can be used to lock the frame together with a U-shaped lock. , 3. The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body. , 4. Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avoid accidental injury caused by the fall of the lock body

• 
  £51.49

  UIOP Bike Locks

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : U Lock With Chain, Size : One size)

  #UIOP017

  1. The U-shaped lock beam can resist hydraulic shear after heat treatment, and the safety factor becomes higher. , 2. Lengthen the steel cable: one lock to lock multiple cars, lock fixed objects. , 3. One lock for multiple purposes: It is better to tie the baggage with the shelf!, 4. Pure copper serpentine slot key, beautiful and wear-resistant. , 5. The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber coating technology, which makes the hand feel comfortable And will not produce harmful substances to cause harm to the human body

• 
  £40.23

  UIOP Bike Locks

  Safety Motorcycle Scooter Cycling Lock Bike U Lock Safety Waterproof Bicycle Padlock With 2 Keys Anti-Theft 820 (Color : Black, Size : 210x110x20mm)

  #UIOP017

  1. Thick lock cylinder for security and anti-theft. , 2. The silicone cover does not damage the car body. , 3. The safety level is higher. , 4. The hidden lock hole is waterproof and dustproof. , 5. All round package design: silicone full package, smooth surface and comfortable touch

• 
  £21.46

  UIOP Bike Locks

  Universal Anti-Theft Bike Bicycle Lock Stainless Steel Cable Coil For Castle Motorcycle Cycle Mtb Bike Security Lock 820 (Color : Red, Size : 90cm)

  #UIOP017

  1. This cable and hose products are non-toxic, odorless harmless PVC materials, compliance with EU environmental standards and testing requirements. , 2. Plastic shell made of high quality ABS material, no cracking at low temperatures at 40 degrees Celsius environment without deformation. , 3. Durable, super anti-cut, trustworthy; with abrasive resistance copper keys, easier to use. , 4. suitable for use with a fixed object lock together for your bicycle safety, to avoid the car thieves easily removed from parking spaces. So this is a very solid, very useful bike locks

• 
  £57.93

  UIOP Bike Locks

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Set, Size : One size)

  #UIOP017

  1. The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!, 2. The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation. Both ends are sheathed with aluminum buckles and environmentally-friendly PVC. It is beautiful and can be used to lock the frame together with a U-shaped lock. , 3. The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body. , 4. Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avoid accidental injury caused by the fall of the lock body

• 
  £29.50

  UIOP Bike Locks

  Bike Lock Anti-theft Security Reflective Design Password Cable Lock MTB Road Bike Safety Key Lock Cycling Accessories 820 (Color : Key Type, Size : 1.2m)

  #UIOP017

  1. Surface reflective strip design, with night warning function, PVC outer layer is not easy to deform. , 2. Divided into password payment and key payment. , 3. Electroplating process of inner alloy material of ABS alloy steel at the lock shell. , 4. The car lock frame is convenient to carry and travel outdoors, and the installation is convenient and firmly fixed

• 
  £21.46

  UIOP Bike Locks

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Dark Grey, Size : 100cm)

  #UIOP017

  1. 100% brand new and high quality. , 2. Cable bicycle lock, with good quality. , 3. Mini, easy to carry, practical. , 4. Double end loops, fit to lock bike. , 5. Use with padlocks or as a secondary security with U-locks

• 
  £25.75

  UIOP Bike Locks

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : White Cable Lock, Size : One size)

  #UIOP017

  1. The lock beam is hardened by heat treatment, can withstand 12 tons of hydraulic shears, and effectively protect the car!, 2. The steel cable is non-toxic and tasteless with environmentally-friendly PVC encapsulation. Both ends are sheathed with aluminum buckles and environmentally-friendly PVC. It is beautiful and can be used to lock the frame together with a U-shaped lock. , 3. The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber encapsulation technology, which is comfortable to the hand and will not produce harmful substances to cause harm to the human body. , 4. Reminder: When unlocking, please refer to the OPEN and CLOSE prompts on the lock body to operate, and the lock beam and lock body must be held in your hands before opening the lock, so as to avoid accidental injury caused by the fall of the lock body

• 
  £32.18

  UIOP Bike Locks

  Bike U Lock Anti-theft MTB Road Bike Bicycle Lock Cycling Accessories Heavy Duty Steel Security Bike Cable U-Locks Set 820 (Color : Only U Lock, Size : One size)

  #UIOP017

  1. The U-shaped lock beam can resist hydraulic shear after heat treatment, and the safety factor becomes higher. , 2. Lengthen the steel cable: one lock to lock multiple cars, lock fixed objects. , 3. One lock for multiple purposes: It is better to tie the baggage with the shelf!, 4. Pure copper serpentine slot key, beautiful and wear-resistant. , 5. The exterior of the lock body and the lock beam adopts environmentally friendly silicone rubber coating technology, which makes the hand feel comfortable And will not produce harmful substances to cause harm to the human body

• 
  £26.82

  UIOP Bike Locks

  Bicycle U Shape Bike Cycle Wheel Scooter Motorbike Security Lock With 2 Keys Bicycle Accessories Replacement Parts 820 (Color : Black, Size : 16cm x 12cm x 9cm)

  #UIOP017

  1. High strength steel lock, durable and sturdy. , 2. Convenient and portable to use. , 3. Ideal for your bicycles

• 
  £24.14

  UIOP Bike Locks

  Bike Cable Lock Road Bicycle Security Anti-theft Steel Wire Rope Cable For U-Lock Padlock Motorcycle Electric Scooter 820 (Color : Black, Size : 1.8m)

  #UIOP017

  1. This cable lock can be used as a secondary security with the U-lock (not included) together, providing extra safety for your bike. , 2. It also can be used with padlock. , 3. Lightweight and portable, easy to carry, convenient and practical. , 4. Double end loops fit to lock bike firmly. , 5. Steel wire features extraordinary durability and very difficult to break

• 
  £24.14

  UIOP Bike Locks

  Bike Steel Cable Lock Bicycle Security Steel Cable With Double Loop Flex Cable Lock Cable For U-Lock Padlock 820 (Color : Black, Size : 120cm)

  #UIOP017

  1. Strong and cut-resistant steel cable provides security for your bikes. , 2. The protective vinyl coating protects against scratches. , 3. Double-looped ends allow for use with pad-locks, u-locks, or disc-locks. , 4. Plastics shell makes it not easy to deform in low or high temperature circumstances. , 5. Ideal for locking bicycles, motorcycles, sports equipment, etc

• 
  £21.46

  UIOP Bike Locks

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Light Grey, Size : 100cm)

  #UIOP017

  1. 100% brand new and high quality. , 2. Cable bicycle lock, with good quality. , 3. Mini, easy to carry, practical. , 4. Double end loops, fit to lock bike. , 5. Use with padlocks or as a secondary security with U-locks

• 
  £21.46

  UIOP Bike Locks

  100cm X 2mm Cycling Sport Security Loop Cable Lock Bikes Bicycle Scooter U-Lock 820 (Color : Light Green, Size : 100cm)

  #UIOP017

  1. 100% brand new and high quality. , 2. Cable bicycle lock, with good quality. , 3. Mini, easy to carry, practical. , 4. Double end loops, fit to lock bike. , 5. Use with padlocks or as a secondary security with U-locks

• 
  £21.46

  UIOP Bike Locks

  Motorcycle Mountain Bicycle E-Bike Disk Brake Safety Anti-Theft Lock MTB Bike Brake Disc Lock Bike Accessories 820 (Color : Blue, Size : 45 * 55mm)

  #UIOP017

  1. Solid invincible-looking design will deter thieves. , 2. Attaches to the disk making it extra difficult to remove without key. , 3. Weatherproof and durable. , 4. Mechanical lock core is rigorous design so that technical opening is very difficult. , 5. Heavy duty material for top security