If you want a complete, all-in-one fastener solution for rebuilding fairings and windshields across multiple motorcycle types, choose JMFGR 177PCS; if you need specialized vibration damping to protect your windshield glass from cracking under engine rumble, choose Haodrylax Brass Insert Rubber.
• JMFGR 177PCS: Its biggest strength is the sheer volume and variety of parts included in one kit, covering everything from bolts to plastic pillars, making it ideal for full-body reassembly. The trade-off is that it lacks the specific rubberized vibration dampening features needed for delicate glass protection on its own. This pick is for the DIY mechanic tackling a major fairing overhaul or replacing an entire set of worn hardware.
• Haodrylax Brass Insert Rubber: Its primary advantage is the specialized brass-and-rubber construction designed specifically to absorb vibrations and prevent windshield damage. The trade-off is the limited quantity (only 10 pieces) and the lack of accompanying bolts or washers, requiring you to source other hardware separately. This pick is for the rider focused solely on securing a windshield or panel against high-speed noise and cracking.
The JMFGR 177PCS kit is built for the person who needs to get their bike back on the road with a comprehensive inventory of fasteners. When I look at the design and specifications, this isn't just a handful of screws; it is a complete toolkit. It contains 45 M6 bolts in various lengths, 28 M5 bolts, and a full assortment of nuts, washers, and self-tapping screws. The inclusion of both M6 and M5 wrenches means you don't have to hunt around your garage for the right tool before starting the job. This level of completeness suggests a product designed for heavy-duty maintenance where you might be swapping out multiple components simultaneously.
For someone working on a project that involves stripping down side fairings, lower panels, and the tail section, this kit covers the bases. The material choice is critical here. The manufacturer specifies premium aluminum, which offers a sturdy structure capable of withstanding daily installation and riding use. More importantly, the corrosion resistance is highlighted as a key feature. If you ride in varying weather conditions or store your bike outdoors, having hardware that maintains stable performance without rusting is essential. The precision machining ensures an accurate fit, which is the difference between a wobbly panel and a solid, factory-like finish.
However, this kit is not for everyone. If you are only looking to replace a single broken bolt or fix a loose windshield nut, buying this massive 177-piece set might be overkill. You will end up with a box full of parts you never touch unless you plan a future upgrade or repair. Furthermore, while the aluminum is durable, it does not include the rubberized elements found in the competitor's product. If your main goal is simply to stop a rattling windshield, this kit provides the mechanical hold but misses the vibration-damping layer that protects the glass itself. It is best suited for the builder who wants one purchase to handle a wide range of mounting tasks on sportbikes, dirt bikes, and scooters.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-11-05 · 6 min read · Independent comparison
The Haodrylax Brass Insert Rubber set targets a very specific problem: the frustration of cracked windshields and noisy rides caused by engine vibration. Unlike standard metal nuts, these inserts combine a solid brass threaded core with a high-quality rubber exterior. This design is engineered to absorb the constant shaking that occurs during riding, particularly on ATVs or motorcycles with powerful engines. The rubber acts as a buffer, protecting the windshield from stress cracks that often develop when metal bolts transmit every bit of engine tremor directly into the glass. If you have ever heard a loud hum or seen a spiderweb crack form on your screen, this is the component you need.
The durability of the brass insert is another standout feature. Brass offers strong torque retention, meaning the nuts stay tight even when the bike is vibrating constantly. They are also resistant to harsh weather conditions, ensuring they won't degrade quickly when exposed to rain or sun. The secure panel mounting capability is crucial for high-speed travel or off-road use where the forces acting on the bike are intense. The unique grip prevents loosening, which is a common issue with standard plastic or thin metal fasteners that can strip or spin over time.
This product is strictly for those who need to secure a windshield or a specific panel and already have the necessary bolts and tools. Since the package includes only 10 pieces of M5 vibration damper nuts, it is not a replacement for a full fairing rebuild kit. You will need to source your own M5 bolts, washers, and wrenches to make them functional. However, for the specific task of mounting a windshield or bodywork panel, this is a superior solution compared to standard hardware. It is perfect for the rider who prioritizes a quiet cabin and long-term glass safety over having a generic bag of mixed fasteners.
• Best for complete fairing restoration → JMFGR 177PCS: If you are taking a bike apart to clean, paint, or replace multiple panels, the 177-piece count and variety of sizes make this the only logical choice.
• Best for windshield protection → Haodrylax Brass Insert Rubber: The rubber component is explicitly designed to reduce vibration and prevent glass cracks, a feature the JMFGR kit does not offer.
• Best for tool convenience → JMFGR 177PCS: This kit comes with its own M5 and M6 wrenches, so you can start working immediately without searching your toolbox.
• Best for high-vibration environments → Haodrylax Brass Insert Rubber: The brass-and-rubber combination is superior for absorbing the intense shake of off-road riding or powerful engines.
• Best for corrosion resistance in general use → JMFGR 177PCS: The premium aluminum construction is noted for maintaining stability in different riding environments, offering broad protection against rust.
• Best for a focused, small-scale repair → Haodrylax Brass Insert Rubber: If you only need to fix one or two loose points on a windshield, the 10-piece pack is sufficient and avoids clutter.
• Best value for a major project → JMFGR 177PCS: While the upfront cost might seem higher due to the quantity, the inclusion of bolts, nuts, washers, pillars, and tools makes it more cost-effective for large jobs.
• Best for preventing rattles → Haodrylax Brass Insert Rubber: The specific design targets noise reduction and secure holding power better than standard aluminum bolts alone.
In my opinion, if you are tackling a significant garage storage project involving a full motorcycle rebuild or fairing swap, the JMFGR 177PCS is the clear winner. The sheer utility of having 177 pieces, including the necessary tools and a wide range of fasteners, saves me from running to the store for missing items. It solves the "I need a bolt of this length" problem instantly. However, if your priority is purely keeping your windshield intact and silent, I would buy the Haodrylax Brass Insert Rubber to pair with my existing bolts. Ultimately, for a comprehensive garage setup where you anticipate doing multiple types of repairs, the JMFGR kit provides the versatility and completeness I need to keep my bike in top shape.
No, the package contains only 10 M5 vibration damper nuts. You will need to provide your own compatible bolts and tools to complete the installation.
The product is designed with high-quality rubber to absorb engine vibrations, which helps protect the windshield from cracks and reduces noise for a smoother ride.
Yes, the JMFGR kit is listed as fitting most sportbikes, dirt bikes, scooters, and is described as offering a comprehensive fastening solution for various motorcycle maintenance needs, implying broad compatibility.
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