Background image showing a happy person that has been reunited with their bicycle

Deter. Detect. Recover

Keeping you and the community cycling. Protect your ride with Project 529 to stay ahead of the bike thieves.

Sundays Logo

529 is a community initiative supported by Sundays Insurance. Learn more.

Built worldwide with riders, shops, universities, and hundreds of law-enforcement partners. Since 2013.

Deter, detect, recover

529 Products to help you stay ahead of bike thieves, and protect your ride.

A community driven bike registration and theft recovery service

FREE

Bike registration

Community bike theft alerts

Search stolen bikes

Post found bikes

Automatically search marketplaces for your stolen bike

$50.00

6 months unlimited access

Everything in 529 Garage plus

Automatically search marketplaces

Matches stolen bikes

Provides matches in one simplified view

Scan listings nationwide and internationally

529 Detective is currently available in the United States and Canada. All prices are in US dollars. 529 Detective is a one time purchase and does not auto-renew.

Find your stolen bike

Detective is your virtual stakeout working 24/7 to track down leads, wherever they may appear. Whether your bike was stolen yesterday or last month, we’re still on the lookout.

529 Detective is proven to find stolen bikes

RECOVERED SEP 13, 2025

"I found my bike listed on an online marketplace and was able to use my registration to get it back. The 529 Detective is worth every penny. 529 found a listing, we identifed where it was based on the pictures, and the police helped us retreive it!"

- 529 Detective customer

Automatically search marketplaces

We search marketplaces like Craigslist, Facebook, Ebay, OfferUp, and more.

Matches stolen bikes

We surface listings that closely match your stolen bike's details and photos.

Provides matches in one simplified view

All potential matches from multiple marketplaces and locations show in a single, simple view - no digging required.

Scan listings nationwide and internationally

Stolen bikes don't always stay local. We scan listings nationwide and internationally.

Your recoveries. Your words.

Found bike!

Portland, OR

"Found it advertised on FB Marketplace. Set up a buy. Had the police meet us. Accessories were missing, but I'm happy."

Found bike!

Elk City, ID

"...hours later I came out and the bike was gone. Fortunately I had taken pictures of the bike, including the serial number. I then registered the bike with Project 529. Three months later I got a call from the RCMP saying that they found my bike!"

Found bike!

Bellingham, WA

"The police was able to recover the bike and brought it back to us. We are very grateful for their service. Thanks"

Found bike!

Vancouver, WA

"Bike was abandoned near 116th st NW and 16th ave NW and finder called into the police. They were able to identify ownership based on the serial number."

Recent Recoveries
A bike was recovered on Nov 06, 2025 by 529 Garage A bike was recovered on Nov 06, 2025 by 529 Garage A bike was recovered on Nov 06, 2025 by 529 Garage

Lost your bike?

Tap into the power of the 529 community to help track down your missing ride. With over 400 law enforcement agencies, universities, shops, clubs, and fellow riders in the mix, we've got your back.

Report missing bike

Buying a bike?

Thinking of buying a bike? Run the serial number first to make sure it's not listed as missing. It's a quick way to protect yourself and ride with peace of mind.

Search bikes

Found a bike?

Found an abandoned bike or seen something sketchy? Post it here to help get it back to its rightful owner. Together, we can make sure bikes get home safely.

Post a found bike

The 529 Story

Black-and-white photo of Rob Brunt and J Allard seated on benches outdoors. Rob, in uniform with radio and duty belt, sits in the foreground, while J in a dark jacket, cap, and glasses holds a phone in the background.

In 2013, we launched 529 to fight bike theft and make cycling safer.

With 2 million bikes stolen yearly, it's an epidemic fueling crime. Our strategy? Unite riders, shops, and cities with tools to outsmart thieves. Partner cities have seen major improvements in just two years...

Black-and-white photo of Rob Brunt and J Allard seated on benches outdoors. Rob, in uniform with radio and duty belt, sits in the foreground, while J in a dark jacket, cap, and glasses holds a phone in the background.

Sign up for free to register your bike and connect with our bike protection community dedicated to fighting bike theft and supporting recovery.

Black-and-white photo of dozens of bicycles neatly racked in rows, viewed from behind the seats. Each bike displays a race number, and some have water bottles attached.

Explore our services

Discover how 529 teams up with cities, schools, bike shops, and communities to keep bikes safe. Whether you're managing racks, running a shop, or organizing rides, our tools help protect your fleet and keep everyone rolling.

Black-and-white photo of dozens of bicycles neatly racked in rows, viewed from behind the seats. Each bike displays a race number, and some have water bottles attached.

Gear up with 529!

Support the fight against bike theft with our 529 gear. From tees to water bottles, every purchase helps grow the movement and keeps our community rolling. Ride proud and help #endbiketheft.

Young woman with dark hair wearing a black 529 Garage beanie with yellow hexagonal logo, dressed in a maroon bomber jacket with gold zippers, standing in front of a dark gray corrugated metal wall with windblown hair and a slight smile.
Young woman with dark hair wearing a black 529 Garage beanie with yellow hexagonal logo, dressed in a maroon bomber jacket with gold zippers, standing in front of a dark gray corrugated metal wall with windblown hair and a slight smile.