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Blackburn Folsom U-Lock

This product is no longer available, but don't go just yet.


  • 14mm-thick steel shackle features a hexagonal shape to prevent the shackle from spinning, increasing resistance to cutting and leverage attacks
  • Dual-bolt lock mechanism engages the shackles on both ends to maximize bump- and pick-resistance
  • Lining helps protect your bike's finish from scratches and scuffs
  • The Blackburn Folsom U-lock comes with 3 laser-cut keys and a mounting bracket


View all Blackburn U-Locks

REI membership


Best Use Bike commuting & touring
Lock style U-lock
Lock type Key lock
Lock thickness (mm) 14 millimeters
Material(s) Hardened steel
Dimensions 7.1 x 4.2 inches
Mounting Frame
Weight 2 lbs. 4 oz.

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