Oxford Big Boss U-Lock with Alarm – 100dB Security Lock (16mm Pin, 345x177mm)

Big Boss U-Lock with Alarm – 100dB Security Lock (16mm Pin, Black-Yellow, 345x177mm). Big Boss U-Lock with Alarm – 100dB Security Lock (16mm Pin, Black/Yellow, 345x177mm). The Oxford Big Boss U-Lock features a 16mm hardened steel pin and an integrated 100dB alarm.

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