The largest community bicycle ride in the U.S.A.

Yes, you read right. We are also the largest event in the city of Los Angeles every last Friday of every month. With cyclists riding with us from all over the world. Summer's here so let's ride.

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The largest event in the city of Los Angeles every last Friday of every month!

It’s a Party On Wheels! Ride with every walks of life! We encourage more to cycle through inclusive positive social bicycle rides, and advocacy.

We Need Volunteers

So you been riding with us for a minute? How about taking it to the next level and lend a helping hand to the community?

Featured Cyclists

Meet our cyclists who rides with us. Whether it's their first time or if they're regulars. Meet the real stars behind the ride!

Read the latest news on LACriticalmass! Isn’t this cool?

LA Critical Mass Joins SAFE and Advocates Across LA for the 4th Annual Die‑In at City Hall

This event honors the lives lost to traffic violence in 2025 and raises awareness about the urgent need for safer streets across Los Angeles. As...

December Ride Recap: The Night LA Rode Into the Future

The final Los Angeles Critical Mass ride of the year began under a sky that threatened to pour. News outlets warned of heavy rain,...

Five lucky participants will win $100 each at this month’s December’s Critical Mass

This month’s Los Angeles Critical Mass main break is more than just a ride — it’s a celebration of community, solidarity, and the shared...

The Champion Ride: November 2025 we rode 28 miles

November’s Critical Mass became the motherlode of all LA Critical Mass rides—28 miles of endurance, community, and celebration across metro Los Angeles. Spanning 28 miles...

Los Angeles Critical Mass is riding to the San Fernando Valley

This Friday, Los Angeles Critical Mass is rolling deep once again — this time heading north into the San Fernando Valley.

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