Kryptonite Evolution Series U-Lock - 4 x 9" Keyed Black Includes bracket MFPN=DROPOUT-283 } To convert 6 bolt

} To convert 6 bolt rotors to center lock

Perfect for a single speed set up

Length125 cm - 180 cm

Featuring forged aluminum arms and SRAMs game changing X-Sync chainrings this crankset hits the sweet spot between weight durability and performance

Kryptonite Evolution Series U-Lock - 4 x 9" Keyed Black Includes bracket MFPN=DROPOUT-283 } To convert 6 boltUpdated version Hardened max performance steel shackle Hardened double deadbolt to protect against twist attacks Sliding dust cover Higher security disc style cylinder is pick and drill resistant 3 stainless steel keys, 1 LED replaceable key fob FlexFrame u bracket TECH SPECS Lock Type Key Primary Color Orange Bracket Flexframe Internal Lock Size Imperial 4X9 Internal Lock Size Metric 101x229mm Thickness In mm 14mm