Onguard, RockSolid, U-Lock, Key, 90x175mm, 3.55''x6.90'', Thickness in mm: 14mm, Black

Premium Security for Your E-Bike Investment

The Onguard RockSolid U-Lock delivers professional-grade protection with a hardened 14mm steel shackle that resists cutting, prying, and leverage attacks. Engineered for daily commuters and high-value e-bikes, this lock combines maximum security with practical everyday use.

Key Features

• 14mm Hardened Steel Shackle – Superior cut and leverage resistance
• 90mm x 175mm (3.55" x 6.90") Dimensions – Compact size fits most bike frames and secure anchor points
• Key Cylinder System – Reliable, weather-resistant locking mechanism
• Durable Black Finish – Corrosion-resistant coating for long-term outdoor use
• Lightweight Design – Easy to carry without compromising security
• Sold Secure diamond rated bike U-lock.
• Made from patented, ultra-high strength materials and multi-layered defense system, resistant to angle grinders.
• Intricate structure resists cutting, making breaches nearly impossible.
• Hardened, shrouded shackle defies aggressive cutting attempts.
• Ergonomic design for easy handling, the lightest angle grinder-resistant lock on the market.
• Anti-grinder material for superior protection.
• X4P Quattro Bolt mechanism secures shackle in four places, resisting pulling, jacking, prying, and twisting.
• 5 laser dual snake cut keys with over 66,000 combinations.
• Double rubber-coated crossbar cover and extra thick molded shackle cover protect bike’s paint from bumps and scratches.

Why Choose RockSolid?

When you've invested in a premium e-bike, standard cable locks won't cut it. The RockSolid U-Lock provides peace of mind whether you're locking up at the office, running errands, or securing your bike overnight. The 15mm shackle thickness exceeds most insurance requirements for high-value bicycles.

Perfect For

• E-bike owners seeking maximum security
• Urban commuters parking in high-traffic areas
• Cyclists with bikes valued over $1,000
• Anyone requiring insurance-compliant bike security

Protect your ride with Onguard's proven security technology trusted by cyclists worldwide.