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Your cart is empty.OnGuard has long been known for producing the meanest, toughest locks in the business. We’re the junkyard dogs of security and thieves know that when they see an OnGuard lock it’s time to move on. But who says you can’t teach old dogs new tricks? So we took the We improved our all-tube mounting brackets with an innovative Twist-Lockwhole OnGuard pack and sent them to obedience school. The result is our toughest, most user-friendly line up ever. First off you’ll see a new look. Crossbar, shackle and lock head covers sport new coatings with a bright color scheme that sends a clear warning to thieves- On-Guard protected, time to look elsewhere. U-locks have metal end caps and thick rubber bumpers for improved durability.
Inside we’ve completely re-tooled our lock internals with tighter tolerances and higher-grade materials for better weather resistance and smoother operation. Our new Z-Cylinder features automatic keyway covers and a stronger, torque resistant key design. We improved our all-tube mounting brackets with an innovative Twist-Lock System for positive engagement and easy push button release.
So is there anything that’s NOT new? Glad you asked. OnGuard’s patented X4P Quattro locking mechanisms that secures the shackle to crossbar in four places, embroidered, not screened, chain covers, key-code registration service for secure key replacement, keyed alike options, user-settable combinations, comprehensive anti-theft programs, limited lifetime warranties and more. Plus, OnGuard is backed by the best sales and customer support team in the business.
For product, value and service, OnGuard is always your best choice.
Bret
Reviewed in Australia on April 27, 2025
This makes a lot of similar items look lightweight. Super strong.💪
Javier gom
Reviewed in Mexico on August 16, 2023
Tiene un buen tamaño para asegurar el cuadro y una llanta sin problema, portabilidad en el cuadro de tu bici. Lo recomiendo
Seymour Sunshine
Reviewed in the United Kingdom on July 19, 2018
UPDATE: I've had this lock for over 4 years now and it's been ultra-reliable and used in all kinds of weather. I love that the opening mechanism is operated by a sliding lever: it makes it virtually undecodable. As others have mentioned, it is big, brash and heavy ... exactly what you want in a lock. If it were lighter, it would be made much weaker. Weight is the price you pay for strength; I don't think there's any way around that.The questions you want to ask yourself are (i) is it secure? (ii) is it well-made? and (iii) is it reliable? I've found that the answer to all three questions is a resounding "YES"I strongly recommend this lock to protect your mid-priced to expensive bike despite the weight penalty.Original review: This is a brilliant lock. It's a bit too heavy to carry on the supplied bracket, so I have it strapped to my rear carrier. The combination is very easy to set. Just make sure that it's something you'll remember easily. I use the year I married the love of my life. And Mrs Sunshine will never let me forget THAT! And being such a bright colour, it lets the bad guys know not to bother.
Philipp M. B.
Reviewed in Germany on November 27, 2018
Wenn man sich so ein Bügelschloss kauft, will man ja vor allem Massivität. Und davon gibt es genug. Das Schloss liegt gut in der Hand, die Gummierung ist an den richtigen Stellen und die Zahlen lassen sich gut einstellen. Zusätzlich sichert ein Schiebeschalter den Öffnen-Mechanismus. Damit wird es sehr mühsam, durch Ausprobieren auf den Code zu kommen (neben der geringen statistischen Wahrscheinlichkeit).Wir nutzen das Schloss in Tanzania, um unser Haus abzuschließen. Für das Fahrrad wäre es mir wahrscheinlich zu schwer.+ massiv und stabil+ Zahlen gut lesbar+ Schiebeschalter zum öffnen (geht nicht direkt auf beim richtigen Code)+ sehr haltbar+ sehr gutes Preis/Leistungsverhältnis- schwer (klar)Fazit: Kaufempfehlung für stationäre Nutzung
adriano
Reviewed in Italy on September 11, 2016
questo è il terzo Onguard che compro. Come sempre la spedizione e la consegna sono avvenute nei tempi indicati, il prodotto è arrivato integro (difficile il contrario per un oggetto del genere) e con gli accessori indicati. Molto intuitivo cambiare il codice e molto pratico da utilizzare con una e più bici. Consigliato!
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