
ABUS Granit XPlus 540 U-Lock
ABUS's Granit XPlus 540 is a favorite among shop mechanics because it hits a sweet spot: a 13 mm square-profile shackle that is tougher than its diameter suggests, a lock body that is noticeably lighter than 18 mm monsters, and an XPlus disc cylinder that resists picking well. It comes in a couple of shackle lengths, and the longer one is handy for e-bikes with fat downtubes and wide racks. ABUS includes a frame bracket. It is one of the highest-rated locks in its weight class, making it a solid pick for commuters who want better-than-average protection without carrying a dumbbell.
Best for: Commuters who park in mixed-risk areas · Riders who dislike the weight of 18 mm locks · E-bikes with wide tubes that need a longer shackle
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