Kryptonite Keeper U-Lock - 4 x 8" Keyed Black Includes bracket CheckoutTitle=SRAM Rival D1 Quarq Wide 1x Power Meter Crankset Very comfortable with soft channel

Very comfortable with soft channel knit fabric

then CNC machined aluminum

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

glass-filled nylon expanding wedge

Downhill strength with 25% weight savings compared to aluminum

Kryptonite Keeper U-Lock - 4 x 8" Keyed Black Includes bracket CheckoutTitle=SRAM Rival D1 Quarq Wide 1x Power Meter Crankset Very comfortable with soft channelUpdated 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