Pitbull Medium U-Lock (8006M)

The OnGuard Pitbull Medium U-Lock delivers premium-grade security for riders who demand robust protection in high-risk environments. Featuring a 14 mm hardened steel shackle and X4P Quad Lock system, it locks on all four sides for ultimate strength against twisting and prying. The precision Z-Cylinder core resists bumping, drilling, and picking, ensuring dependable anti-theft performance. A TriRadius shackle design offers extra locking room for easier use, while co-molded crossbar covers and rubber coating safeguard your bike’s finish. With a compact 240 x 170 mm frame and 50 mm crossbar, it strikes the perfect balance between security and portability. Includes five laser-cut keys (one with LED) and a durable mounting bracket.

• Maximum Security: 14 mm hardened steel shackle combined with X4P Quad Lock secures on four sides, providing superior protection from cutting, twisting, and prying.
• High-Strength Build: Compact 240 x 170 mm frame with 50 mm crossbar delivers powerful resistance to theft attempts without sacrificing portability.
• Anti-Tamper Cylinder: Z-Cylinder core is engineered to withstand bumping, drilling, and picking for consistent, long-lasting locking reliability.
• Flexible TriRadius Design: Unique shape increases locking space and simplifies attachment to poles, rails, and crowded bike racks.
• Complete Package: Includes five precision laser-cut keys (one with LED light) and an all-tube mounting bracket for convenient daily use and transport.


Manufacturer Sku: 8006M
Todson Sku: 45008006M