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Best onguard bike locks - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
22% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ONGUARD
22% Off

OnGuard RockSolid U-Lock – Angle Grinder Resistant 14mm Hardened Steel Bike Lock with X4P Quad Locking Mechanism, Lightweight Anti-Theft Design, Includes 5 Keys & Theft Protection, 3.5” x 6.9”

ONGUARD

$209.99

$269.95
(22% Off)

More Details
Main highlights
- X4P Quad Locking Mechanism: Features a high-security four-point locking system that secures the shackle from every direction, providing superior resistance to pulling, jacking, and prying attempts by thieves.
- Lightweight Yet Tough: Weighing only 3 lbs, the OnGuard RockSolid U-Lock strikes the perfect balance between robust security and portability, making it easy to carry on your bike or in a backpack.
- Heavy-Duty 14mm Shackle: Built from hardened steel, this U-lock delivers outstanding strength and durability, effectively deterring cutting, sawing, or twisting attacks while maintaining a manageable weight.
- Anti-Theft Protection Program: Includes up to $5001 bicycle and $1251 powersport coverage (with registration, where available) for extra peace of mind and confidence in OnGuard’s trusted lock technology.
- Angle Grinder Resistant Design: Engineered with OnGuard’s proprietary RockSolid coating that resists angle grinder attacks, offering elite-level protection in high-risk urban environments for cyclists and commuters.
$209.99
$269.95 (22% Off)
2
Best Value
14% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kryptonite
14% Off

Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

Kryptonite

$150.30

$174.95
(14% Off)

More Details
Main highlights
- PATENTED LOCKING SYSTEM: Features a patented hardened double deadbolt design that gives additional protection against twist attacks, plus a patented steel sleeve over crossbar for double security and a high-security disc-style cylinder, resistant to picking and drilling
- MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more
- LIFETIME WARRANTY AND SUPPORT: Kryptonite offers a limited lifetime warranty for peace of mind. If you experience any issues, contact our Customer Experience team, and we will resolve it quickly. We are committed to your satisfaction and product quality
- HIGH-SECURITY DESIGN: Made from a 18mm hardened max-performance steel shackle, this bike lock provides ultimate resistance against cutting and leverage attacks
- DESIGNED FOR E-BIKE: U-Lock Interior Locking Dimensions; 3.25" x 6". Exterior Dimensions; 9.5" x 6" x 2", 18mm steel shackle with a weight of 4.55 lbs. Includes three keys and rated 10/10 for ultimate security on our scale.
- ATPO & KEYSAFE PROGRAM ELIGIBLE: Register to qualify for Kryptonite's Anti-Theft Protection Offer and KeySafe key replacement service
$150.30
$174.95 (14% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ONGUARD

OnGuard Double-Team PITBULL U-Lock and Cable , Black, 4.53 x 9.06 - Inch

ONGUARD

$62.89

$66.49
(5% Off)

More Details
Main highlights
- Versatile Locking: TriRadius shackle design.
- Superior Protection: X4P Quattro Locking Mechanism.
- Robust Construction: 14mm thick hardened steel shackle.
- Double Security: Includes 4-foot fully coated braided steel cable.
- Complete Kit: Includes 5 laser-cut keys, 1 with micro-LED, and all-tube mounting bracket.
$62.89
$66.49 (5% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ONGUARD

OnGuard 8020 Mastiff Integrated Key Chain Lock - 3.57' X 0.39"[110CM X 10MM] Black

ONGUARD

$82.93

More Details
Main highlights
- Includes Five Keys: Comes with five laser-cut keys—including one LED key—offering smooth operation and excellent visibility for night-time use.
- High-Security X2P Head: Integrated X2P Double Bolt Lock Head provides extreme pull resistance and features a dual rubber housing for added impact and weather protection.
- Heavy-Duty Steel Chain: 1090 mm chain made from 10 mm hardened-steel hex links delivers superior cut, pry, and leverage attack resistance for confident daily protection. Weighs 5.7 pounds.
- Built for Riskier Areas: Ideal for medium-to-high threat environments, offering reliable defense for bikes, e-bikes, scooters, and motorcycles during everyday use.
- Advanced Z-Cylinder Core: Precision-engineered locking cylinder resists drilling, bumping, and picking, ensuring long-term reliability and theft prevention.
$82.93
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ONGUARD

OnGuard Brute STD U-Lock – 265 mm x 195 mm Steel Bike Lock with X4P Quad Lock System – 16.8 mm Hardened Steel Shackle – Rubber-Coated Finish, 5 Keys (1 LED) & Universal Mount Bracket

ONGUARD

$67.92

More Details
Main highlights
- Quad Lock System: X4P Quad Lock secures the shackle on four sides, blocking attacks from every angle and delivering elite-level bike protection against forced entry attempts.
- Protective Finish: Co-molded crossbar and rubber-coated shackle shield bike frames from scratches and corrosion while ensuring long-term durability and performance.
- Maximum Protection: 16.8 mm hardened-steel shackle provides exceptional resistance against cutting, prying, and twisting for ultimate anti-theft security in urban environments.
- Complete Set: Includes five laser-cut keys (one with LED light) and a universal mount bracket for secure on-bike transport and easy access when locking up.
- Balanced Design: 265 mm TriRadius shackle offers ample space for racks and posts while keeping the lock portable and light enough for daily commuting use.
$67.92

Best onguard bike locks - Holiday Sale 2025

OnGuard RockSolid U-Lock – Angle Grinder Resistant 14mm Hardened Steel Bike Lock with X4P Quad Locking Mechanism, Lightweight Anti-Theft Design, Includes 5 Keys & Theft Protection, 3.5” x 6.9”

Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

OnGuard Double-Team PITBULL U-Lock and Cable , Black, 4.53 x 9.06 - Inch

OnGuard 8020 Mastiff Integrated Key Chain Lock - 3.57' X 0.39"[110CM X 10MM] Black

OnGuard Brute STD U-Lock – 265 mm x 195 mm Steel Bike Lock with X4P Quad Lock System – 16.8 mm Hardened Steel Shackle – Rubber-Coated Finish, 5 Keys (1 LED) & Universal Mount Bracket

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OnGuard Bulldog Mini DT U-Lock – 11–13 mm Hardened Steel Shackle with X2P Double Bolt Lock, Z-Cylinder Core & 4 ft Cable – 185 mm (7.3 in) Length – High-Security Compact Bike Lock with 5 Keys & LED

OnGuard Bulldog Combo STD U-Lock – 13 mm Hardened Steel Shackle, 290 mm (11.4 in) Length x 195 mm (7.7 in) Width x 40 mm (1.6 in) Crossbar – 4-Digit Resettable Combination Lock with Bracket

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