The shackle, lock body and supporting elements of the locking mechanism are all made of special temper hardened steel The Granit Extreme 59 comes from Abuse's motorcycle lock line-up and does cross-over duty with bicycles for those looking for the best possible protection and who don't mind carrying a heavier lock for the very maximum in protection. The patented X-Plus Key cylinder offers extremely high protection from picking and it can be keyed alike with other ABUS locks featuring the same X-Plus cylinder - very convenient for multi-lock and multi-bike households. 16mm patented square parabolic shackle (19mm coating) Simply put, this is the world's best U-Lock. Extreme Plus 59 Chain Lock 55inch/170cm For Sale Extreme 59 U-Lock (16mm X 111m X 260mm) - Shop The Best Bicycles Online Abus Granit Candado Para Bicicletas ABUS U-lock Granit Super Extreme 2500 Made Of Safest Carbide Abus Granit Extreme 59 U-lock 10/16mm For Sale Two keys supplied with the lock, one LED lighted , 5⁄8 square parabolic shackle Abus Granit Extreme XPlus 59 U-Lock – League Outfitters The GRANIT™ Extreme 59 U-lock reliably protects your bike or motorbike against attempts to steal it, even in places with a high risk of theft. All variants...