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Description
Compact Heavy-Duty Chain for Urban Lock-Ups
The Kryptonite 1090 Evolution Series 4 Chain Lock is built for riders who want serious security in a shorter, easy-to-handle length. At 3' (90 cm), it is long enough to lock your frame and a wheel to a solid rack or post, without leaving a lot of extra chain for thieves to work with. The flexible format makes it easier to reach awkward fixtures than a rigid U-lock, especially on crowded city racks or cargo bikes.
Hardened steel links are paired with an integrated Evolution Series 4 disc-style lock head, so there is no separate padlock to manage. A durable sleeve helps protect your frame’s finish and keeps the chain quieter when carried in a pannier, basket, or over your shoulder.
Built to Last
- Heavy-duty hardened steel chain links provide strong resistance to common cutting and leverage attacks.
- Integrated Evolution Series 4 disc-style lock head removes the weak point of a separate padlock and shackle.
- Compact 3' (90 cm) length is ideal for securing frame and a wheel to racks, posts, or railings without excess slack.
- High-security keyed cylinder with an easy-to-grip lock body for straightforward daily use.
- Durable weather-resistant sleeve helps protect your bike’s paint and keeps the chain quieter in transit.
- Flexible format is easier to route through tight spaces and non-standard fixtures than most U-locks.
- Well suited as a primary lock for urban commuting, e-bikes, and higher-value city bikes.
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Default | 39593 | 720018000808 |
