Black Ops BMX Chain Tensioner Adjusters – 3/8" (10mm) Axle, Single Speed – Pick Your Color

So, you're keeping your BMX dialed?

These Black Ops chain tensioners are exactly what you need.

They're built from tough alloy and fit a standard 3/8-inch (that's 10mm) axle, so they're perfect for your single-speed ride.

The best part?

You get to pick the color!

Go for classic black, a pop of blue, race red, sleek gold, or shiny silver.

They're brand new, still in the package, and ready to bolt on.

They make dialing in your chain slack super easy, so you can get back to pulling tricks without worrying about your chain flopping around.

It's a simple upgrade that makes a big difference.