Profile Racing's 3/8" Axle chain tensioners are the perfect fit for racers looking to add a little flash to their chain tensioners. Available in all of our anodized colors, they will hold your chain tight and make you look right.
Sold in Pairs
3/8" axle only
For Race Only
Suitable for most Track Bike frames. You might need to file them slightly, depending on your frame.
Recommended for the Profile Racing BMX Chain Tensioners