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I will admit that I am usually a stock perch/lever or a Works Connection Elite Perch/Lever kind of rider and although I have tried many different perch/lever set ups those are the two that I normally gravitate towards or back to. I have tested a lot of combos and have come to the conclusion that it’s tougher to make a better than OEM lever feel, perch and engagement feel. Now enter the ARC RC-8 Clutch Assembly With Aluminum Black Smooth Lever and I have found another perch/lever combo that I am genuinely happy with. Other perch/lever set ups that I have tried have either screwed up clutch engagement points with their odd ratios (and messed my corners up) or the lever is simply doesn’t have the right shape for my size large hands (lever shape is a key component to feeling comfortable with your rider triangle). Designing/making a perch/clutch lever is harder than most people think obviously. If you don’t get the lever ratio correct, you will have a clutch feel that is on/off or an engagement that is too grabby or slow feeling. Not easy.
This ARC Billet Aluminum CNC-Machined lever assembly is the one that a lot of top teams run. If you haven’t met ARC Bob then you are really missing out. You might have heard me talk about him on some Racer X videos because the guy is a mad scientist of levers/perches. He will not rest until he’s created massive headaches for consumers due to the fact that he gives us so many damn options! The features of this perch/lever combo start with the ARC aluminum smooth lever with a 27mm ratio, which I am a fan of. I am not a foldable lever kind of guy because I like a solid feel to my finger when I am pulling in the clutch. It just gives me a more positive feel and this lever seems to give me just that. Not to mention that the lever shape is one of only two shapes in the aftermarket lever business that I can get along with. There is a nylon sleeve that contacts the handlebar that allows for rotation in a crash, which is nice when you have a tendency to tip over in corners from time to time.
The cable 1/8 turn quick adjust has a large diameter rubber wheel that is easy to reach for/adjust on the line or in the air. yes, even if you’re a novice rider, you will be able to adjust it in the air! One of the other highlights is the “external pivot”. The pivot bolt screws into the lever and the bolt rotates in the perch on replaceable bushings. Whaaaat! This eliminates almost all up and down play in the lever and gives me the positive engagement feel that I look for. In the world of tighter tolerances, this is what you want from a big four stroke. When you have horsepower, you could possibly get more vibration and that can radiate towards the ends of your levers. When you have a tighter tolerance in your levers, you get less vibration feel and more positivity on each end of your bike. It may not seem like much, but it’s the little things that make a difference when it comes to “feeling factory”. It’s also nice that the clutch pull gets a little easier on the bike that I installed the ARC perch/lever on (2021 YZ450F).
At a cost of $205.00 for the complete perch/lever it’s a sizable investment, but with the quality of Bob’s work at ARC, I am happy to pay for something that I know I am going to love as well as last! ARC gives you a lot of ratio and lever options, so go visit the mad scientist of levers website at www.arclevers.com.