BMX Forks BMX forks all follow very similar designs, its the little details people miss that make a big difference to your bike. Most after market forks come flush with no brake mounts as front brakes are not on demand anymore. The arms of the forks are now coming tapered as a more common feature offering more strength and less weight, the drop outs usually define the brand of forks as the usually include manufactures imprints or cutouts. On some complete bikes the dropout size could be either 14mm or 10mm, as the BMX industry has progressed 99% of after market forks have 10mm dropouts as the standard size axle for front wheels are now also 10mm. Check out our collection of forks below.