Bike locks / Retrospec

Retrospec Bike locks

Heavy duty security solutions featuring hardened steel U-locks and integrated security cables. These systems protect mountain bikes and eBikes in outdoor environments

Our pick
Why this brand

Hardened Steel

The 14mm U-locks provide high-strength anti-theft protection.

Dual Layer Security

U-lock and 4-foot cable combinations secure both wheels and frame.

Mounting Brackets

Included brackets allow for secure storage on the bike frame.

Why we keep it

Heavy Duty Protection Standards

The Lookout and Grizzly series focus on 14mm hardened steel and 4-digit combination cables. These models are built for mountain bikes and eBikes requiring outdoor security.

  • 14mm hardened steel U-locks
  • 4-foot security cables
  • 6-foot anti-theft cables
  • 4-digit combination cylinders
  • Frame mounting brackets
  • Keyed U-lock mechanisms
Designed around

Mountain Bike Focus

The Lookout series is specifically designed for the geometry of mountain bikes and eBikes.

The Grizzly Series

This model features a 6-foot cable with a 4-digit combination for flexible locking options.

Hardened Materials

The 14mm steel construction is intended for heavy duty anti-theft performance.

Integrated Brackets

Mounting hardware is included to keep the lock accessible during transit.

The lineup

5 locks in this lineup

Voices

Buyer notes

Diana 4.7

The 14mm hardened steel U-lock feels incredibly heavy duty on my eBike.

Kathleen 4.2

I use the 4-foot security cable along with the U-lock to secure my mountain bike wheels.

Elizabeth 4.8

The mounting bracket holds the Grizzly cable lock securely while I am on the trails.

Before you buy

Retrospec Questions

What is the thickness of the U-lock?

The Lookout U-lock features 14mm hardened steel.

Does the Grizzly lock use a key?

No, the Grizzly model uses a 4-digit combination.

What bikes are these locks for?

They are designed for mountain bikes and eBikes.

How long is the Grizzly cable?

The Grizzly anti-theft cable is 6 feet long.