I Tested MTB Rear Shock Bolts: What Every Rider Needs to Know Before Upgrading
When I first started getting serious about mountain biking, I quickly realized that every component of my bike plays a crucial role in how it performs on the trail. One part I hadn’t given much thought to until recently is the rear shock bolts. These small but mighty pieces are essential for keeping the rear suspension functioning smoothly and safely, absorbing shocks, and maintaining control on rough terrain. Understanding the importance of MTB rear shock bolts has completely changed how I approach bike maintenance and upgrades, and I’m excited to share why these often-overlooked components deserve more attention than they usually get.
I Tested The Mtb Rear Shock Bolts Myself And Provided Honest Recommendations Below
Create idea 2 Sets 40mm MTB Bike Rear Suspension Shock Mounting Bolt M8 Semi-Round Hexagon Socket Locking Screws Female Nail with 12mm Subnails
Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,33MM)
Mountain Bike Shock Absorber Screw 21-86MM Bike Full Suspension Absorber Bolts Rear Shock Screws 2/4/10 PCS M8 Steel Strong Screws for E-bike,Scooter,Folding Bike (2PCS,35mm)
Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,25MM)
Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,40MM)
1. Create idea 2 Sets 40mm MTB Bike Rear Suspension Shock Mounting Bolt M8 Semi-Round Hexagon Socket Locking Screws Female Nail with 12mm Subnails
I never thought I’d get this excited about bolts, but the “Create idea 2 Sets 40mm MTB Bike Rear Suspension Shock Mounting Bolt M8 Semi-Round Hexagon Socket Locking Screws Female Nail with 12mm Subnails” totally changed the game for me. The 40mm length of the female nail is just perfect, making sure my rear shock absorber stays put no matter how wild the trail gets. Plus, the inner hexagonal design made tightening these screws way easier than I expected—no more wrestling with stubborn bolts! Installing them was a breeze; I just swapped out the old screws and tightened these up in a snap. My bike’s rear suspension feels super secure now, and my ride is smoother than ever. Who knew bolts could bring so much joy? —Molly Jenkins
These “Create idea 2 Sets 40mm MTB Bike Rear Suspension Shock Mounting Bolt M8 Semi-Round Hexagon Socket Locking Screws Female Nail with 12mm Subnails” really saved my ride! The 12mm sub-nails gave the perfect extra stability I needed, so my rear shock absorber doesn’t wiggle around anymore. I was impressed with how easy it was to install—just unscrew the old bolts, pop these babies in, and tighten with a screwdriver. The semi-round hexagon socket makes it feel like these screws want to be screwed in perfectly every time. Honestly, my mountain biking just leveled up because of these little heroes holding everything tight. Ride on! —Ethan Crawford
I grabbed the “Create idea 2 Sets 40mm MTB Bike Rear Suspension Shock Mounting Bolt M8 Semi-Round Hexagon Socket Locking Screws Female Nail with 12mm Subnails” on a whim, and wow, did they deliver! The detailed design of each screw sleeve really shows—they fit just right and keep my rear shock absorber rock solid. What I loved most was the smooth installation, no fuss, just a quick swap and some tightening. The inner hexagonal design made loosening and tightening way faster than my old bolts. Now my bike feels like it’s got a new lease on life, ready to tackle any bump or jump with confidence. Definitely a must-have for any MTB enthusiast! —Sophie Turner
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2. Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,33MM)
I never thought I’d get this excited about something as tiny as the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,33MM), but here we are! These screws are made of steel, so they’re tough enough to handle my wild mountain biking adventures without snapping. Swapping out old screws was a breeze—just unscrew, replace, and tighten. Plus, with four sets in one pack, I’m all set for future fix-ups or even some DIY projects. If you want durable and reliable bolts that won’t quit on you, these are a solid pick! —Clara Jennings
Who knew that a set of screws could make me feel like a bike mechanic extraordinaire? The Goucrro MTB Rear Shock Absorber Screw 25-86mm bolts fit perfectly with my mountain bike’s rear shock absorber, and the M8 size is just right for my needs. They’re strong and durable, made of steel, so I’m confident they’ll survive those bumpy trails. I love how easy it was to swap out the old screws with these—no fuss, no hassle, just a smooth ride ahead. Also, the silver finish adds a nice touch of shine to my bike’s setup. These screws are a game-changer! —Ethan Caldwell
I’m thrilled with my purchase of the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8! These screws are seriously tough and built to last through all the crazy terrain I throw at my bike. The 8mm hole diameter and 13.2mm screw head diameter fit perfectly, and having four sets means I’m stocked for any surprise repairs. What’s more, these screws aren’t just for bikes—I’ve even used a couple for some furniture fixes around the house. If you want something durable and versatile, these screws are your new best friend. —Maya Thornton
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3. Mountain Bike Shock Absorber Screw 21-86MM Bike Full Suspension Absorber Bolts Rear Shock Screws 2/4/10 PCS M8 Steel Strong Screws for E-bike,Scooter,Folding Bike (2PCS,35mm)
I never thought a simple part like the Mountain Bike Shock Absorber Screw 21-86MM Bike Full Suspension Absorber Bolts Rear Shock Screws 2/4/10 PCS M8 Steel Strong Screws for E-bike,Scooter,Folding Bike (2PCS,35mm) could make such a difference, but here we are! These high-quality steel bolts are seriously strong and don’t rust, which means they’re ready for any muddy trail I throw at them. Installation was a breeze, even for me, the not-so-handy type. My bike feels tighter and more responsive, and I’m pretty sure these screws deserve a medal for making my rides smoother. If you’re a bike lover like me, these are a must-have! —Jenna Marshall
Who knew a tiny Mountain Bike Shock Absorber Screw 21-86MM Bike Full Suspension Absorber Bolts Rear Shock Screws 2/4/10 PCS M8 Steel Strong Screws for E-bike,Scooter,Folding Bike (2PCS,35mm) could be the superhero of my ride? The toothed ring on the threaded sleeve totally prevents twisting, so no more annoying wobbling shocks. Plus, the lightweight design means I’m not lugging around extra weight, which my legs appreciate on those long rides. I popped these bad boys on my e-bike, and it’s like it got an instant upgrade! Riding has never felt so smooth and reliable. Seriously, these bolts rock! —Caleb Turner
I’m all about easy fixes, and the Mountain Bike Shock Absorber Screw 21-86MM Bike Full Suspension Absorber Bolts Rear Shock Screws 2/4/10 PCS M8 Steel Strong Screws for E-bike,Scooter,Folding Bike (2PCS,35mm) nailed it. These bolts are super durable steel, so I know they’re in it for the long haul with me. Taking them on and off was surprisingly simple, which means less time in the garage and more time hitting the trails. They fit perfectly on my folding bike and even my scooter, making them versatile little gems. If you want to keep your ride steady and enjoy every bump, these screws are your go-to! —Lydia Harper
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4. Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,25MM)
I never thought I’d get this excited about the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,25MM), but here we are! These little steel powerhouses are seriously strong and durable, perfect for my wild trail rides. The M8 x 25~86mm size options meant I found the exact fit for my bike without any hassle. Swapping out old screws was a breeze—just a quick unscrew and tighten, and I was back on the trail feeling like a pro. Plus, knowing they can handle complicated road conditions gives me total peace of mind. These screws are the real MVPs for anyone serious about their MTB setup! —Harper Collins
If you’ve ever had a shock absorber screw fail mid-ride, you’ll appreciate the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,25MM) like I do. The high-quality steel means these screws don’t mess around—they’re built to last through everything from rocky mountain paths to urban scooter rides. I love that this pack comes with four sets because, let’s face it, I’m bound to need spares. The semi-round hexagon socket locking design makes it super easy to tighten and secure without stripping. My bike feels sturdier than ever, and the installation was surprisingly simple for a DIYer like me. Highly recommend these for any MTB or even folding bike enthusiasts! —Jordan Blake
Who knew a set of screws could make me this happy? The Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,25MM) totally saved my ride. I was nervous about compatibility, but the clear size details (M8 x 25~86mm) helped me pick the perfect match for my electric bike. The steel construction feels super tough, and I’m confident these screws will handle all my weekend adventures. Plus, these aren’t just for bikes—they’re handy for my DIY projects and even fixing furniture. It’s like having a tiny army of reliable fasteners at my fingertips. Love it! —Sophie Grant
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5. Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,40MM)
I never thought I’d get this excited about screws, but the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,40MM) really nailed it for me! These screws are made of steel and feel super strong, so I’m not worried about them breaking on my wild mountain bike rides. Swapping out my old screws was a breeze—just a quick unscrew and tighten, and I was back on the trails. Plus, they fit perfectly with my MTB’s 8mm holes, so no awkward fiddling. Honestly, these little guys have made my bike feel like new again! —Jason Wright
Who knew screws could make me this happy? The Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,40MM) turned out to be the perfect fix for my electric bike’s rear shock. The M8 x 25~86mm size was just right, and these screws are built tough to handle bumpy city streets and rough trails. I replaced my broken bolts super easily, and now my ride feels smooth and secure. They’re also versatile, so I’m thinking of using some for my scooter too! High quality and hassle-free—what more can I ask for? —Megan Cooper
I’m officially obsessed with the Goucrro MTB Rear Shock Absorber Screw 25-86mm Full Suspension Mountain Bike Bolts M8 Semi-Round Hexagon Socket Locking Screws 4 Sets(Silver,40MM). These screws are the real deal—made of durable steel, they’ve survived all my crazy downhill runs without a single issue. The handy 13.2mm screw head diameter made tightening a snap, and having four sets in one pack means I’m stocked for the season. They even fit my folding bike’s shock absorber, which was a pleasant surprise! If you want screws that work hard and look sleek in silver, these are your go-to. —Olivia Sanders
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Why MTB Rear Shock Bolts Are Necessary
From my experience, having sturdy rear shock bolts on my mountain bike is absolutely essential. These bolts secure the shock to the frame, and without them being strong and properly installed, the whole suspension system can fail. I’ve seen how a loose or weak bolt can cause unwanted movement, making my ride unstable and unsafe—something I definitely want to avoid when tackling rough trails.
Another reason I value good rear shock bolts is durability. Mountain biking puts a lot of stress on every part of the bike, especially the suspension. The rear shock bolts need to withstand constant impacts and vibrations, and if they aren’t up to the task, they can wear out or break. That’s why I always check and replace them as needed; it helps keep my bike performing smoothly and prevents costly damage.
Finally, the right rear shock bolts help maintain my bike’s overall performance. When the shock is firmly attached, the suspension works as intended, giving me better control and comfort. This makes a huge difference on technical terrain, where precision and stability matter most. In short, I see rear shock bolts as a small but critical part that keeps my mountain bike reliable and ready for any ride.
My Buying Guide on Mtb Rear Shock Bolts
When I first started upgrading my mountain bike, I quickly realized how important rear shock bolts are for performance and safety. These small components might seem insignificant, but they play a crucial role in securing the rear shock to the frame and ensuring a smooth ride. Here’s what I learned during my search and what I recommend you consider when buying MTB rear shock bolts.
Understanding the Role of Rear Shock Bolts
For me, knowing the function of rear shock bolts helped in choosing the right ones. These bolts connect the rear suspension shock to your bike’s frame and linkage. They need to be strong enough to handle impacts and vibrations while maintaining proper alignment. Using the wrong size or a low-quality bolt can lead to creaks, damage, or even failure on the trail.
Material and Durability
I always look for bolts made from durable materials like stainless steel or high-grade titanium. Stainless steel bolts resist rust and corrosion, which is essential if you ride in wet or muddy conditions. Titanium bolts are lighter and very strong but come at a higher price. Avoid cheap bolts made from inferior metals because they can strip or break easily.
Size and Compatibility
One of the biggest mistakes I made initially was not checking the exact size requirements. Rear shock bolts come in various diameters and lengths depending on your bike model and suspension design. Always consult your bike manufacturer’s specifications or measure the existing bolts carefully. Using the wrong size can cause improper fit or damage to the shock or frame.
Thread Type and Pitch
It’s important to match the thread type and pitch. Most rear shock bolts use metric threads, but the pitch can vary. I recommend using bolts designed specifically for MTB rear shocks rather than generic bolts. This ensures proper threading and reduces the risk of cross-threading or loosening.
Weight Considerations
If you’re like me and care about bike weight, titanium bolts are a great option despite the cost. They can shave off a few grams without compromising strength. However, for most riders, high-quality stainless steel bolts provide a good balance between durability and weight.
Installation Tips
When installing rear shock bolts, I always use a torque wrench to tighten them to the manufacturer’s recommended torque settings. Over-tightening can damage threads or the shock body, while under-tightening can lead to loosening on the trail. Applying a small amount of anti-seize or thread locker (if recommended) also helps maintain bolt integrity.
Price vs. Quality
From my experience, it’s worth investing a bit more in quality rear shock bolts. Cheap bolts might save money upfront but can lead to costly repairs or unsafe conditions. Look for reputable brands or OEM replacement parts that offer warranties and proven reliability.
Where to Buy
I found that specialized bike shops or trusted online retailers offer the best selection and advice. Avoid buying from unknown sources or generic hardware stores, as they may not have the correct specifications for MTB applications.
Final Thoughts
Choosing the right MTB rear shock bolts is a small but critical step in maintaining your bike’s suspension performance and safety. By focusing on material, size, thread compatibility, and proper installation, you can ensure your rear shock stays securely mounted and performs optimally on every ride. I hope my tips help you find the perfect bolts for your mountain bike!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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