Does your ride feel bumpier than it used to?
The Daily Driver’s Guide to a Smoother, Safer Ride
A simple, 1-page PDF checklist that helps car owners spot early signs of suspension wear and teaches them a quick "bounce test" they can do in their driveway.
Normally it's 20$, NOW it's 5$!!!
A step-by-step "bounce test" you can do in your driveway – Push down on each corner of your car and see exactly what the rebound tells you about your shocks and struts. No tools, no helpers, no mess.
A clear visual guide to early warning signs – Know exactly what to look for when you inspect your suspension. Leaks? Uneven tire wear? Sagging? We show you what matters and what you can safely ignore.
A simple scoring system – Rate your suspension's health in about five minutes so you know if it is fine, needs monitoring, or requires a professional check.
My 2016 SUV felt like it was falling apart every time I hit a pothole. I was dreading the repair bill. A friend suggested I try the Jinke Coil Spring Buffer from RI Auto Sport, and honestly, I was skeptical. But for the price, I figured it was worth a shot. The difference was noticeable immediately—way less sway around corners, and those sharp bumps don't rattle my teeth anymore. Best part? I installed them myself in about 20 minutes. No shop, no labor costs. Mark even answered my questions quickly when I emailed him. I will definitely be back for more accessories
Made of Polyurethane. Absorbs bumps, springs back instantly – no more saggy suspension.
+3–5 cm lift · less body roll · doubles shock life · shorter braking. One install, four upgrades.
Trusted in 30+ countries, 15+ years of expertise, and a 3‑year warranty. Real people, real results – your turn.
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Here's what you'll learn in the free PDF:
Inspection
You'll get to know the specific things to check.
You drive the same roads every day. Lately, though, you feel every crack and bump. Turning into a parking lot feels shaky, and your car just doesn't ride the way it used to. That rough ride has you wondering: Is this normal wear and tear, or is something expensive about to give out?
Total Value: $10
Installation
You'll get to know how to do it yourself
A step by step guide to installing the spring buffer from start to finish. This will save you from going to the workshop and give you the knowledge of fixing things by yourself.
Total Value: $10
Testing
You'll get to know how to test your ride
After successful installation of the buffers, you need to do a test drive to check if the ride becomes smoother than before. This will also sets the buffers to the spring properly so it does its job to support the coil spring.
Total Value: $10
Is this guide really free? Do I have to pay anything later?
Yes, it is completely free. There is no catch, no hidden fees, and no credit card required. We believe that helping you understand your car's suspension is the right thing to do—and if you decide later that you want to try our genuine Jinke products, that is your choice. No pressure, just practical advice.
Do I need any mechanical experience or special tools to use this guide?
Not at all. This guide was written specifically for everyday drivers who have never lifted a hood before. You do not need any tools, mechanical knowledge, or experience. All you need is your car, a flat driveway or parking lot, and about five minutes of your time. We explain everything in plain, simple language.
How will this guide save me money?
The guide helps you catch suspension issues early—before they turn into expensive repairs. It also gives you confidence to ask the right questions at the repair shop, so you are less likely to get upsold on services you do not actually need. Many of our readers have saved hundreds of dollars by knowing exactly what to look for before walking into a mechanic's bay.
What happens after I download the guide? Will you spam me?
After you download the guide, we will send you a confirmation email with your PDF link. You may also receive a few follow-up emails with additional practical car care tips and information about genuine products we resell—like the Jinke Coil Spring Buffer. We hate spam as much as you do, so we keep our emails helpful, rare, and easy to unsubscribe from at any time.
I drive an older car. Will this guide still help me?
Absolutely. In fact, older cars often need more attention to suspension wear. The bounce test and visual inspection tips in our guide work on virtually any passenger vehicle—sedans, SUVs, minivans, and even light trucks. Whether your car is 5 years old or 20 years old, this guide will help you understand its current condition and what to do next.