BUILT TO LAST: The Kryptonite Kryptolok Standard U‑Lock is constructed with a 12.7mm hardened performance steel shackle to help resist cutting and leverage attacks, while a durable vinyl‑coated protective sleeve prevents scratches to your bike’s frame and preserves its finish
DOUBLE-DEADBOLT DESIGN: Locks the shackle on both sides of the crossbar for enhanced holding power and resistance against twisting and pulling. Certified by Sold Secure Silver, it also includes a high‑security disc‑style cylinder to resist picking and drilling
VERSATILE SECURITY WITH 4‑FT CABLE: Includes a heavy-duty 10mm x 4‑ft (120 cm) double‑loop security cable ideal for securing your front wheel, helmet, or accessories. Together with the U‑lock, it is perfect for securing bicycles and e‑bikes at work, school, or around town
STANDARD, COMMUTER-FRIENDLY SIZE: This U-lock features interior locking dimensions of 4” x 9” (10.2cm x 22.9cm) and a total lock weight of approximately 3.65 lbs (1.66 kg), providing a versatile locking reach for thicker poles and racks. Weather-reated components help protect against rust and outdoor exposure for reliable everyday use
EASY MOUNTING BRACKET INCLUDED: Comes with a secure FlexFrame‑U bracket that attaches directly to your bike frame for hassle‑free transport—allowing you to carry the lock easily with no backpack or lock bag required
2 STAINLESS STEEL KEYS INCLUDED: Comes equipped with 2 durable stainless steel keys, ensuring you always have a reliable backup on hand. It is also fully backed by the Kryptonite Key Safe Program for easy key replacement if you ever lose one
ANTI‑THEFT PROTECTION & LIFETIME WARRANTY: Eligible for Kryptonite’s Anti‑Theft Protection Offer (ATPO) with coverage for registered locks. Kryptonite also offers a limited lifetime warranty and dedicated Customer Experience support, ensuring total peace of mind and product quality
UPC
720018001966
Color
Black & Steel
Shape
U Shape
Material
Alloy Steel
Lock Type
Keyed Lock
Model Name
KryptoLok STD & KryptoFlex 410
Style Name
Standard_w_Cable
Unit Count
1 Count
Item Weight
2.9 pounds
Finish Types
Unfinished
Manufacturer
Kryptonite
Model Number
001966 KryptoLok STD & KryptoFlex 410
Material Type
Alloy Steel
Control Method
Touch
Item Type Name
Bicycle Lock
Controller Type
Hand Control
Item Dimensions
4.02 x 4.02 x 9.02 inches
Special Feature
Anti-Theft, Heavy Duty
Number of Pieces
1
Additional Features
Anti-Theft, Heavy Duty
Included Components
2 Stainless Steel Keys
Manufacturer Part Number
1966
Recommended Uses For Product
Security
Manufacturer Warranty Description
Limited Lifetime Warranty
Global Trade Identification Number
00720018001966
Rated 6/10 on Kryptonite's security scale
Moderate security lock
Eligible for the optional Anti-theft Protection
KryptoLok STD U-Lock with 4" Flex
Moderate Security
12.7mm hardened performance steel shackle.
Includes 2 stainless steel keys, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking.
New "pass-thru" crossbar design includes enhanced anti-rotation features, providing advanced protection against twist and single cut style attacks.
New hardened double-deadbolts engage both shackle ends increasing holding power.
New dust cover.
High security disc-style cylinder is pick and drill resistant.
Includes flexframe-u bracket providing convenient multi-location u-lock transport.
Dimensions: 4" x 9" (10.2cm x 22.9cm) - Weight: 3.65 lbs (1.66 kg's)
Shackle Size
12.7mm performance steel shackle with new hardened double-deadbolts to engage both ends increasing holding power.
Anti-theft Protection
Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will pay out up to a certain value depending on the security value of the product. Visit our official website for further information. T&C’s apply.
Key Safe Program
Register your keys online and Kryptonite will ship you 2 keys, globally, in the event you lose them.
Stainless Steel Keys
2 stainless steel keys with ergonomic design to reduce the amount of torque.