same great site, all new look for 2019!


Your Cart is Empty


Fast Frank Racing Precision Axle Blocks KTM 390 RC/Duke 2016

Precision billet axle block set for RC 390 & Duke 390, machined from 6061-T6 billet to exacting tolerance's for precise chain tension and wheel alignment.

New design, these axle blocks have been re-designed so that you can flip the block for a one tooth sprocket change.

These axle blocks were used on the 2016 KTM RC 390 championship winning bike in Moto America.

The stock adjuster blocks and very loose fitting and sloppy in the swingarm and are made of very soft metal


  • KTM 390 RC/Duke 2016



This product can expose you to chemicals known to the State of California known to cause Cancer or birth defects and reproductive harm. For more information go to:

be the first to know