Kryptonite New York U-Lock - 4 x 8" Keyed Black Includes bracket Range-2-24Nm Graphene + Silica 2C Compound:

Graphene + Silica 2C Compound: Rubber evolved with graphene and reinforced with silica in a graduated schedule of four compounds

Direct Mount Type Direct Mount Shimano Tooth Count 30 Drivetrain Speeds 12 Defined Color Black Material Alloy Round or Oval Round Offset 3 Chainline/Hub Compatibility 141/148 Boost Hubs

Suspended rail design provides flexibility and shock absorption for greater comfort

Chest zip for additional ventilation

6 Wheel Size 700c Offset 45 Brake Mount (Fork) Canti Studs Crown Race 30 Color Matte Carbon Front Axle QR x 100mm Material Carbon

Kryptonite New York U-Lock - 4 x 8" Keyed Black Includes bracket Range-2-24Nm Graphene + Silica 2C Compound:Updated version 16mm max performance steel Hardened double deadbolt Highest security disc style cylinder 3 stainless steel keys, LED replaceable key FOB FlexFrame u bracket TECH SPECS Internal Lock Size Metric 101x203mm Primary Color Yellow Lock Type Key Internal Lock Size Imperial 4x8 Thickness In mm 16mm Bracket Flexframe