Shackle disc lock. I already have similar locks, the Oxford Boss and Oxford Chain 10, to use with ground anchors. Anti-pick Oxford key design. Usual Oxford quality. It isn't the smallest lock but it is clearly visible and a good deterrent.
Oxford HD Mini Shackle 14mm OF161 Secure Motorbike Motorcycle Lock Disc Lock
Oxford HD Mini. Strong Hardened Steel U Lock
Oxford HD Max Disc Lock Motorcycle Motorbike Security Black
Oxford HD MAX Disc Lock (14mm Shackle) - Yellow
Oxford HD Max Disc Lock - Yellow, Yellow
Oxford HD MAX Disc Lock (14mm Shackle) - Orange
