Reviewed by Jordan King, UK Reviewer (Update: October 2020)

#1 Choice: Overall Rating = 94%

My number one choice right now in October 2020 is…

SaleEditor's Pick
Oxford products OF4 Big Boss Alarm Disc Lock 16mm
34 Reviews
Oxford products OF4 Big Boss Alarm Disc Lock 16mm
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    #2: Top Quality Alternative

    SaleAlso Good
    OXFORD BOSS ALARM DISC Ultra Strong Disc Lock, 14mm
    459 Reviews
    OXFORD BOSS ALARM DISC Ultra Strong Disc Lock, 14mm
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      #3: Top For Customer Reviews

      Worth Considering
      Urban Security UR6 Disc Lock 120 db Alarm, Warning, ø6 Universel, Made in EU
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      Urban Security UR6 Disc Lock 120 db Alarm, Warning, ø6 Universel, Made in EU
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        BEST ALARMED DISC LOCK: COMPLETE 2020 BUYING GUIDE

        Full buying guide on how to buy the best alarmed disc lock is coming soon. Please stay tuned!

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