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Home Accessories Collection
Kryptonite New-U Keeper STD W/4' Flex Lock

Kryptonite New-U Keeper STD W/4' Flex Lock

Built for Security. Ready for the Ride.The Kryptonite New-U Keeper

Built for Security. Ready for the Ride.
The Kryptonite New-U Keeper U-Lock with 4 ft Flex Cable protects bikes and e-scooters. Ideal for city streets and back roads, its rugged design endures weather. Its 12 mm hardened Performance Steel shackle resists cutting, sawing, and prying; the disc-style cylinder guards against picking and drilling. The integrated 1.2 m vinyl-coated cable secures wheels and accessories. A streamlined mounting bracket attaches easily for tool-free transport and quick access.


Why New-U Keeper?

  • Unmatched Steel Strength
    Hardened 12 mm steel shackle withstands aggressive attacks.
  • Dual-Deadbolt Security
    Locks both sides of the shackle to prevent rotation and leverage.
  • Pick & Drill Resistance
    High-security cylinder resists tampering, picking, and drilling.
  • Flexible Cable Advantage
    4 ft cable secures wheels and accessories.
  • Emergency Key Backup
    Two stainless-steel keys with replacement guarantee.


Built to Guard. Ready for Adventure. Every time!!

$94.99
View Specification

Kryptonite New-U Keeper STD W/4' Flex Lock

Built for Security. Ready for the Ride.The Kryptonite New-U Keeper

Built for Security. Ready for the Ride.
The Kryptonite New-U Keeper U-Lock with 4 ft Flex Cable protects bikes and e-scooters. Ideal for city streets and back roads, its rugged design endures weather. Its 12 mm hardened Performance Steel shackle resists cutting, sawing, and prying; the disc-style cylinder guards against picking and drilling. The integrated 1.2 m vinyl-coated cable secures wheels and accessories. A streamlined mounting bracket attaches easily for tool-free transport and quick access.


Why New-U Keeper?

  • Unmatched Steel Strength
    Hardened 12 mm steel shackle withstands aggressive attacks.
  • Dual-Deadbolt Security
    Locks both sides of the shackle to prevent rotation and leverage.
  • Pick & Drill Resistance
    High-security cylinder resists tampering, picking, and drilling.
  • Flexible Cable Advantage
    4 ft cable secures wheels and accessories.
  • Emergency Key Backup
    Two stainless-steel keys with replacement guarantee.


Built to Guard. Ready for Adventure. Every time!!

$94.99
In stock, ready to ship
Free Delivery
2-year Warranty
14 day Returns
Lifetime Support
Get the Kryptonite New-U Keeper STD W/4' Flex Lock
Lock it. Leave it. Ride with confidence.  
Unmatched Security
10mm Six-Sided Links: Made from hardened 3T manganese steel for maximum strength and resistance to cutting tools.
End Link Design
Patent-pending technology secures the chain directly to the hardened deadbolt, eliminating weak points.  
High-Security Cylinder
The disc-style cylinder resists picking and drilling, offering superior protection. 
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