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I am sure this option has been out for a while but I have finally found a source to get the SBS DC compound for our 390's! This is the ulimate brake pad for aggressive track use. Straight from the highest level racers around the world. The upgrade choice for Superbike, Supersport and...

I'm looking for the recommended spring rate for 190 lb. rider without gear. Andreani recommended 7.3 but that sounds too soft to me. Bike will be used for track/racing.

What spring rate i need for rc cup wp rear shock if i weigh with gear and helmet 67-68 kg. Thanks.

We have a set of our carbon fork wraps http://www.rc390-forum.com/forum/mnnthbx/1102-p3-carbon-fork-sleeves-stock.html that are SLIGHTLY too long. They MAY require a TINY bit to be dremeled off to fit on the upper fork leg. At any rate, they FREE to the first person who places an order at...

. Our RC390 Project has been going on a diet since the day we purchased it. One of the best ways and easiest to knock off a good chunk of weight, it swapping out the battery to the Antigravity AG801 8 Cell . On the KTM 390 it saved just over 6lbs. And that weight is at the highest point on...

I'm excited to announce Formula390 has signed a dealer agreement with JRi for the RC390, and as part of that have also arranged with them to be able to do an offering to the forum members a group buy for the Double Adjustable w/Remote shock. The normal price for the JRi Double Adjuster is $899...