Kryptonite Keeper U-Lock - 4 x 8" Keyed Black Includes bracket CheckoutTitle=SRAM Rival D1 Quarq Wide 1x Power Meter Crankset 99mm threaded inner rings included

99mm threaded inner rings included

Compatible with Hydra 6 bolt mountain rear hubshells - HG/XD drivers

but it is pretty close and amazing

glass-filled nylon expanding wedge

Kryptonite Keeper U-Lock - 4 x 8" Keyed Black Includes bracket CheckoutTitle=SRAM Rival D1 Quarq Wide 1x Power Meter Crankset 99mm threaded inner rings includedUpdated version 12mm hardened steel shackle and deadbolt with anti rotation design Includes side mount, snap in bracket High security disc style cylinder Includes 2 stainless steel keys Key Safe Program Security rating 5 10 Available Anti Theft Protection $500 TECH SPECS Internal Lock Size Imperial 4x8 Lock Type Key Internal Lock Size Metric 102x203mm Thickness In mm 12mm Bracket Side mount Primary Color Black