ONGUARD OnGuard Mastiff 5019 Bicycle Chain Lock

The On Guard Mastiff Chain Lock is made of 10mm ultra-hardened, titanium-reinforced steel links with a 13mm padlock.
  • Includes 5 laser-cut keys, 1 lighted key; features non-slip... chain cover and ultra-hardened, titanium-reinforced steel links
  • 10mm links with 13mm padlock and includes $3,001 anti-theft protection
Item Specifications
Lock Size3.7' x 10mm
Bracket Incudedno
Lock StyleKeyed
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ONGUARD
$34.95 at REI

The 6 ft. long, 15mm thick cable is made of heavy-duty, braided steel to offer good cut resistance and is self-coiling for conveni...ence; vinyl coating helps protect finishes Integrated, resettable 4-digit combination lock has 10,000 possible variations; lock is permanently forged to the cable for added security Includes a versatile mounting bracket and rip-and-stick? retention strap for hassle-free transportation OnGuard rates the 15mm Doberman Combination cable lock as a 43 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$32.95 at REI

3 ft. 3 in., 15mm-thick cable is made of heavy-duty, twisted steel to offer good cut resistance; highly flexible cable is self-coi...ling for convenience X2P Double Bolt lock mechanism secures cable to lock head in 2 places for high pull and pry resistance; dust cover helps protect lock internals Z-Cylinder tumbler is bump-proof and resists picking, pulling or drilling Vinyl cable coating and double rubber coating on the lock head help protect paint and finishes Comes with 5 laser-cut keys, 1 of which has an integrated LED light Rip-and-stick? retention strap helps keep cable orderly during transport OnGuard rates the OnGuard Akita keyed cable lock as a 43 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$39.95 at REI

The 3 ft. 3 in., 20mm thick cable is made of heavy-duty, twisted steel that's encased in a cut-resistant, hardened steel sheath fo...r excellent security X2P Double Bolt lock mechanism secures cable to lock head in 2 places for high pull and pry resistance; dust cover helps protect lock internals Z-Cylinder tumbler is bump-proof and resists picking, pulling or drilling Vinyl coating on cable armor and double rubber coating on the lock head help protect paint and finishes Comes with 5 laser-cut keys, 1 of which has an integrated LED light OnGuard rates the OnGuard Rottweiler keyed cable lock as a 48 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$54.95 at REI

Burly 14mm (0.55 in.) hardened steel shackle resists cutting, prying and jacking; rubber-coated shackle and crossbar help protect ...your bike's finish X4P Quattro locking mechanism secures the shackle to the crossbar in 4 places, maximizing strength to resist pulling, jacking, prying and twisting Z-Cylinder tumbler is bump-proof and resists picking, pulling or drilling Rounded design and centered keyhole eliminate pry points; all-metal end caps protect against drops and hits while the auto-closing keyhole cover protects lock internals Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket Included OnGuard rates the PitBull Mini LS U-lock as an 80 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$64.95 at REI

Burly 14mm (0.55 in.) hardened steel shackle resists cutting, prying and jacking; rubber-coated shackle and crossbar help protect ...your bike's finish X4P Quattro locking mechanism secures the shackle to the crossbar in 4 places, maximizing strength to resist pulling, jacking, prying and twisting Z-Cylinder tumbler is bump-proof and resists picking, pulling or drilling Rounded design and centered keyhole eliminate pry points; all-metal end caps protect against drops and hits while the auto-closing keyhole cover protects lock internals 4 ft. long fully coated, braided 10mm steel cable gives you lots of locking versatility, including leaving your front wheel on the bike Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket Included OnGuard rates the PitBull DT U-lock and cable as an 83 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$32.95 at REI

Hefty 13mm (0.51 in.) hardened steel shackle resists cutting, prying and jacking; rubber-coated shackle and crossbar help protect ...your bike's finish Dual lock down mechanism secures both sides of the shackle for excellent pull resistance Bump-proof Z-Cylinder tumbler resists picking, pulling or drilling Rounded design and centered keyhole eliminate pry points; extra-thick, molded end cap protects against bumps and hits Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket Included OnGuard rates the Bulldog Mini U-lock as a 63 out of 100 on its 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$44.95 at REI

Hefty 13mm hardened steel shackle on the U-lock resists cutting, prying and jacking; rubber-coated shackle and crossbar help prote...ct your bike's finish Dual lock down mechanism secures both sides of the shackle for excellent pull resistance Bump-proof Z-Cylinder tumbler resists picking, pulling or drilling Rounded design and centered keyhole eliminate pry points; extra-thick, molded end caps protect against bumps and hits 10mm-thick braided steel cable features convenient, permanent loops for easy locking; vinyl coating helps protect your bike's finish Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket included OnGuard rates the Bulldog DT U-lock and cable as a 65 out of 100 on its 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$39.95 at REI

Hefty 13mm (0.51 in.) hardened steel shackle resists cutting, prying and jacking; rubber-coated shackle and crossbar help protect ...your bike's finish Dual lock down mechanism secures both sides of the shackle for excellent pull resistance Bump-proof Z-Cylinder tumbler resists picking, pulling or drilling Rounded design and centered key hole eliminates pry points; extra-thick, molded end caps protect against bumps and hits Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket Included OnGuard rates the Bulldog LS U-lock as a 63 out of 100 on its 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$44.95 at REI

Replacement wheel quick-release skewers and seatpost clamp use a clever lock system to prevent them from opening unless your bike ...is tilted over 90 from level The simple design enhances security when you lock up your bike with its wheels attached; just make sure the bike is locked so it can't be tipped past 90 To unlock the skewers, all you have to do tip the bike past 90 and open the quick-release levers OnGuard rates the MinPin skewer set as a 55 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security Imported. Read More

REI
ONGUARD
$89.95 at REI

Constructed of hardened steel plates, the K-9 Folding Lock features an OnGuard pick-, pull-, and drill-proof cylinder with sliding... keyhole cover Once unfolded, the K-9 has the length to secure frames and wheels to a bike rack or other solid object Included mounting bracket features easy, push-button release, and bracket attaches to the water bottle holder or straps to other parts of the bike OnGuard K-9 Folding Bike Lock comes with 2 keys Imported. Read More

REI
A.B.S by Allen Schwartz
$89.99 at Amazon

The Abus Ketaro 505 Lock gives you the protection of a U-lock, with over a century of German precision to back it up. It's treated... with a soft surface coating, which protects the paint on your bike, in addition to making it easier to handle. The Abus Plus cylinder adds protection against being picked. And the 13mm, double-bolted, hardened-steel shackle will fend off most hand tools. While it's not impervious to power tools (because frankly, no lock that we're aware of truly is) it's a high security option for keeping possession of your ride. The Abus Ketaro 505 Lock is available in one size and in the color Black. Read More

ONGUARD
$89.95 at Amazon

<div id="seqbpdescription">The On Guard Mastiff Chain Lock is made of 10mm ultra-hardened, titanium-reinforced steel links with a ...13mm padlock.</div><div id="seqbpfeatures"><ul><li>Includes 5 laser-cut keys, 1 lighted key; features non-slip chain cover and ultra-hardened, titanium-reinforced steel links</li><li>10mm links with 13mm padlock and includes $3,001 anti-theft protection</li></ul></div><div id="seqbpspecs"><table cellspacing="0"><tr><th colspan="2">Item Specifications</th></tr><tr><td>Lock Size</td><td class="seqbpdata">3.7' x 10mm</td></tr><tr class="seqbpevenrow"><td>Bracket Incuded</td><td class="seqbpdata">no</td></tr><tr><td>Lock Style</td><td class="seqbpdata">Keyed</td></tr></table></div> Read More

ONGUARD
$84.95 at Amazon

Lighter, more compact package, 10mm hex link steel chain and square bar links are titanium reinforced to resist attacks from saws ...and cutters<br> Quattro and Dual Lock mechanisms feature Dual Lockdown Protection<br> Reinforced sleeve over crossbar and cylinder for additional security<br> Locks have vinyl coated large diameter ultra hardened steel shackles and rubber coated end caps<br> Water and heat resistant chain cover prevents scratching and allows compact coiling<br> Anti-theft protection plan<br> 10mm chain 3ft. 7in. with intergrated lock Read More

Oxford
$69.95 at Amazon

This Heavy Duty Hardened 9.5 millimeter Square Link Chain and Tough double locking Padlock with hardened steel shackle represents ...fantastic value for money as one of the leading security testing companies, Sold Secure have independently rated the Oxford HD Chain as Motorcycle Silver Scooter, giving added piece of mind. The cloth covered chain can easily be stowed under the seat of most motorcycles. Available with 3.2 feet (1.0 meter), 4.9 feet (1.5 meter) and 6.5 feet (2.0 meter) chain lengths. Founded in 1973 by a group of motorcycle enthusiasts, Oxford products are the UK market leader in motorcycle accessories and export to over 60 countries worldwide. Their experience in producing products which can withstand the rigors of motorcycling has sale enabled them to develop a range of class leading security, touring and accessory products for motorcyclists. When you choose Oxford essential rider equipment you get a product that is tried, tested and guaranteed to provide quality and durability. Read More

Kryptonite
$68.95-$104.95 at Amazon

Kryptonite introduces the Evolution Series 4 Integrated Chain for convenient bicycle protection in moderate to high crime areas. ...The hardened 3t manganese steel chains include 10mm six-sided links. The integrated chains secure with a new patent-pending integrated Evolution series 4 lock head.In the early 1970s, Michael Zane was a free-spirited, bearded kid with a VW van and a big idea for a new kind of lock. He traveled thousands of miles showing the unique U-shaped locking device and spreading his passion for bicycle security to bike dealers all around the country and forged lifetime relationships. The company soon expanded its product line to include powersports, hardware and snowsports security. Read More

Kryptonite
$66.45 at Amazon

New cable security for moderate to low crime areas. 20mm braided steel cable provides increased cut resistance. Lock head rotates ...360 degrees for easier handling during lock up and removal. Weather proof vinyl skin protects bike and powersport vehicle surfaces. 2 high security "I" keys. Reinforced lock head construction with Talon lock pin retention system which provides extra holding power. Read More

ONGUARD
$64.95 at Amazon

PitBull STD double-teamed with 4 foot fully coated, braided steel cable allows user to leave front wheel on bike and extra locking... versatility. X4P locking mechanism oers superior protection.Shackle Dimensions 115mm x 230mm W x H x Diam 4.53'' x 9.06'' x 14mm 0.55'' D Cable Dimensions 120cm x 10mm4' x 0.39'' Read More

ONGUARD
$62.95 at Amazon

The ultimate pull resistance of an X2P Power Double Bolt permanently forged to a 185cm x 20mm (6? x 0.79?) heavy-duty non-coiling ...cable. Thick vinyl coating on cable protects paint and ?nishes. Attached hook-and-loop strap helps wrangle unruly cable coils. Bracket included. Cable Dimensions: 185cm x 15mm(6? x 0.59?). Read More

Topeak
$59.99 at Amazon

Cast aluminum rear rack for Topeak Babysitter Child Seat. Available in a Disc Brake compatible mount also.

ONGUARD
$59.95 at Amazon

This OnGuard high security U-lock provides tenacious protection for all but the most extreme situations. Quattro lock mechanism wi...th dual LockDown protection, pins the beefy 13mm ultra-hardened steel shackle at both ends creating a double lock that can withstand up to 8 tons of pull force while our newly designed M-cylinder provides an added level of security and ease of use. Features include rubber and vinyl coatings to protect painted surfaces and our new all-tube universal mounting bracket that fits virtually any tubing from 20mm to 42mm. Also includes a solid anti-theft protection plan. Read More

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