Box Chainring bolts steel 15 Kit Chromo Steel
These are The Box Chainring Bolts Steel Version in black only. Box also makes colored bolts in alloy type. These are standard 6.5mm and 8.5mm alloy BMX sprocket bolts. Kit of 15 per bag is included. Attach your chainring to your cranks or spider with a little style and strength. Crupi chainring bolts come with the 2 most common sizes. You can usually get away with using just a 5mm Allen Wrench to install these. You may need a chainring bolt tool that holds the back of the bolt from slipping.
Checkout the Insight Chainrings if you need to be ready for the different tracks.