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Kryptonite U · Evolution Standard Bike Lock · Orange

Kryptonite U · Evolution Standard Bike Lock · Orange

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Product details

Kryptonite Evolution Standard U-Lock

14 mm thick hardened Kryptonium™ special steel shackle with extremely durable double locking mechanism.

The reinforced high security disc cylinder lock is protected against drilling. A new, oval-shaped, extra-durable locking shackle with a weather-resistant vinyl cover protects against damage. Included are 3 keys, one of which has an integrated key light. The variable FlexFrame holder ensures particularly easy transport.

Best Use
9 x 4 in
14mm MAX-Performance hardened steel shackle resists bolt cutters and leverage attacks; hardened oval crossbar design is stronger than typical round tube Double deadbolt locking mechanism for extensive holding power that provides added protection against twist attacks Disc-style cylinder delivers a high level of security; rotating dust cover helps protect cylinder Includes versatile mounting bracket for easy transportation; anti-rattle bumpers reduce noise during transport Comes with 3 keys, 1 of which is lighted with a high intensity bulb and features a replaceable battery Eligible for Key Safe Program; register your key number with Kryptonite for easy replacement of lost or worn keys for a minimal fee Kryptonite rates the Evolution Series 4 U-lock an 8 on a 10-point system with 1 being simple, deterrent security and 10 being extreme security
Lock style
Lock thickness (mm.)
Lock type
Key lock
3 lbs. 12 oz.
Spring 2018
Kryptonite U · Evolution Standard Bike Lock · Orange
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Top reviews
Would an expert recommend this for you?
Jacob Naggy
Jacob Naggy
Verified cycling expert
Reviewed Aug 26, 2022

Heavy-duty security. Rated an 8/10 for theft protection. This thing is almost bullet-proof

Neal Friesen
Neal Friesen
Verified cycling expert
Reviewed Aug 26, 2022

Securely locking up higher value bikes and ebikes.

Julie B.
Julie B.
Verified cycling expert
Reviewed Aug 26, 2022

Bike security in busy cities.

Nate Ekis
Nate Ekis
Verified cycling expert
Reviewed Aug 26, 2022