Onguard Boxer 8046 Heavy Duty U Disc lock.
A massive 16.8mm diameter * shackle to resist virtually all manual cutting and prying attacks.
- Large motorsports disc Lock for scooters and motorcycles
- 55mm x 55mm (2.17 x 2.17 inch) opening fits many disc and rotor openings
- Hardened steel shackle resists attacks from cutting, prying, or jacking
- X4P Quattro Bolt locking system secures the shackle on four sides for ultimate protection
- Included disc lock reminder helps prevent accidental drive offs
* the unexposed section of the shackle, going into the lock body, is 14mm