Best Bike U Locks

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes and Scooters.

Hiplok Dx1000 Anti Angle-Grinder U-Lock Black, One Size

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

Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys

Sportneer Bike U Lock - Heavy Duty Anti Theft Bike Lock with 5ft Security Steel Cable - 17mm Shackle Bicycle U-Locks with Keys & Sturdy Mounting Bracket for Road, Mountain, Electric Bike - Orange

Hiplok D1000 Unisex Shackle Lock

Kryptonite New York Long Shackle Bike U-Lock, Heavy Duty Anti-Theft Security Bicycle Lock Sold Secure Gold, 16mm Long Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

ABUS U-Lock Granit™ Super Extreme 2500/165HB230 - specialised Bicycle Lock for Bicycles and e-Bikes Against Saw Attacks with Angle Grinders - ABUS Security Level 15, USH2500

Seatylock

Seatylock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Secure ULock - Ultra Security Bicycle Safety Tool with Keys for City Electric or Mountain Bikes and Scooters (7.1 Inch)