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  • OnGuard Bulldog Mini DT U-Lock with 4-Inch Cinch Loop Cable (Black, 3.55 x 5.52-Inch)
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OnGuard Bulldog Mini DT U-Lock with 4-Inch Cinch Loop Cable (Black, 3.55 x 5.52-Inch)

by OnGuard
| 4 answered questions

List Price: $39.95
Price: $30.14 & FREE Shipping on orders over $35. Details
You Save: $9.81 (25%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • U-Locks
  • BullDog Mini with 4 foot fully coated, braided steel cable for greater locking versatility.
  • New Z-Cylinder is bump-proof and resists picking, pulling or drilling.
  • Security Rating 65
  • Snap Lock Quick Release multi-position mounting bracket. 5 laser cut keys 1 micro-light and 4 extra grip keys Micro-light key projects a bright white beam.
29 new from $29.99

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Frequently Bought Together

OnGuard Bulldog Mini DT U-Lock with 4-Inch Cinch Loop Cable (Black, 3.55 x 5.52-Inch) + Planet Bike Blinky Safety 1-Led Bicycle Light Set
Price for both: $44.39

Buy the selected items together


Product Description

BullDog Mini with 4 foot fully coated, braided steel cable for greater locking versatility. Shackle Dimensions 90mm x 140mm W x H x Diam 3.55'' x 5.52'' x 13mm 0.51'' D Cable Dimensions 120cm x 10mm4' x 0.39''

Product Details

  • Product Dimensions: 8 x 4 x 1 inches ; 4 ounces
  • Shipping Weight: 2.8 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: China
  • ASIN: B008K3NSLM
  • Item model number: 45008015
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (17 customer reviews)
  • Amazon Best Sellers Rank: #4,691 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Discontinued by manufacturer: Yes
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Customer Questions & Answers

Customer Reviews

4.3 out of 5 stars
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See all 17 customer reviews
Nice hefty lock, size just right for my small frame bike.
Vermont Nelson
I know there are other bike locks out there such as the Kriptonite brand that are known to be 'better', but those also cost a lot more.
Sansy
Looking at the bikes I park next to, I feel safe leaving my bike there with this lock.
Brian Kerth

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By East Coaster on March 5, 2014
Verified Purchase
My previous model OnGuard broke after almost 4 years of heavy usage.
(May be earlier, since the internal parts fell apart after the yellow cap fell off)

Pros: just the right size (see the bottom of this comment)

Improvements: yellow caps are more solid, made of hard plastic

Changes: got heavier (but not much and acceptable assuming the hardened security)

Cons: yes, you have to precisely put the parts together in order to turn the key and lock it.

Here are three tricks:
1) always make sure that the key is turned completely to the "Open" position (it's a bit hard when you have it on the same chain with other keys)
2) connect the parts with the same motion and effort as some use for assembling the weapon after cleaning and lubricating (Click)
3) if the key is not turning, follow 1), pull the parts 1-2mm apart, tilt a little and press them together firmly (Clack).

google for "Sheldon Brown locking your bike" to check the best use of this lock.
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3 of 3 people found the following review helpful By Vermont Nelson on September 15, 2013
Verified Purchase
Nice hefty lock, size just right for my small frame bike. Cable is 4 feet, not inches. Good value. Fits fine without too much slack around bike and pole. Cable works for extra security when needed. Frame mount holds nicely - once screws are tightened well.
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3 of 3 people found the following review helpful By Kenneth on January 22, 2014
Verified Purchase
This is my 2nd Bulldog U-Lock and I really enjoy using them. You are given 4 thin keys and one beefier key with an integrate light.

I'm using these locks for my commuting bikes.
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3 of 4 people found the following review helpful By Kathy Santos on May 31, 2014
Verified Purchase
The lock appears well-made and locks on both ends. I'd give it 5 stars. The Protection Plan, however, I'm not as pleased with. It is touted as paying you up to $1501 if your bike is stolen while locked up. But it does not cover the cable; only the UBolt. And it does not cover if "torches, battery operated tools, or any power tools, including hydraulic tools, were used to open or cut the lock". Plus to register for the plan, you have to fill out a form and mail it with a check - the coverage isn't free - $1/1 year, $10/2 years, $15/3 years. And they may require a copy of the receipt for your bike (that part of their webpage isn't very clear).

So - buy it for the protection, not for the protection plan.
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1 of 1 people found the following review helpful By chase wagner on April 7, 2014
Verified Purchase
I just got a new bike and had to make sure it was locked up so I could sleep at night. This lock seems like its plenty strong and comes with a cable.
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1 of 1 people found the following review helpful By Peter M. Galano on October 10, 2013
Verified Purchase
Great Item...Well worth the money and nicely designed. I would offer this as a super nice alternative to Kryptonite in the price point, however, remember this lock is simply under $30!
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Verified Purchase
I should start by saying this is the first bike lock I bought... ever. I don't have the fanciest bike, but regardless, I wouldn't want it to get stolen. It's a good bike lock, love that it comes with the loop cable also for extra protection! I know there are other bike locks out there such as the Kriptonite brand that are known to be 'better', but those also cost a lot more. I only use my bike on the weekends and keep it locked indoors when I'm home, so this works for me and it's a great price!
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By Roy Koivunen on July 8, 2014
Verified Purchase
Good lock.
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