As a bicyclist, you should always have a multi-purpose protective lubricant ready. It is one of the most essential and efficient types of equipment for maintaining your beloved trusty ride. You must regularly re-lubricate the drive train to prevent the system from breaking apart. It is also handy to avoid corrosion and rust.
The Boeshield T 9 Vs. WD 40
Boeshield T 9 and WD 40 are the most popular lubricants available on the market. WD 40 is slightly cheaper than the two Boeshield T 9. Which one should you get?
Boeshield T 9
Boeshield T 9 is a multi-purpose lubricant that is safe for virtually any surface. It is safe for any metal surface, plastic, vinyl, and paint. So, if you have some plastic stickers on your bike, you don’t need to worry about accidentally damaging those parts when using Boeshield T 9.

Besides acting as a lubricant that protects your bike’s components against friction, Boeshield T 9 also fights corrosion and rust. It loosens rusty and corroded parts to prevent them from spreading, and it dries into a thin, waxy layer that will protect for months.
In addition, Boeshield T 9 can penetrate deep into tight crevices and joints. It removes dirt and old lubricants along with moisture away. Boeshield T 9 was initially developed by The Boeing Company for aircraft components.
WD 40
WD 40 is a multi-purpose lubricant that is very popular because of its affordability and versatility. The product comes in a bottle equipped with a permanently attached hinged straw, allowing easy and precise applications. The lubricant also dries into a protective layer that provides effects for weeks. Besides reducing friction, it also displaces and prevents moisture. It is also mighty for removing grease and grime.

You can easily clean your bike’s components and parts from adhesives, bugs, tar, and dried oils. For sure, WD 40 also fights and prevents corrosion and rust. It claims to be able to loosen and isolate rusted parts.
However, a critical thing about WD 40 that you should keep in mind: WD 40 is a petroleum-based formula that destroys polycarbonate and polystyrene. So, it may not be suitable for some plastic materials.
Boeshield T 9 Vs WD 40
Boeshield T 9 | WD 40 | |
Brand | Boeshield | WD 40 |
Features | Boeshield is excellent for use in Marine, Bicycles, Automotive, Tools, and Aviation – Boeshield loosens rusty and corroded parts and is safe on paints, any metal surfaces, plastics, and vinyl – T-9 flushes out dirt and old lubricants, displaces moisture, and penetrates moving parts – Boeshield dries to a thin, waxy film that clings to metal for months – The Boeing Company developed Boeshield for lubrication and protection of aircraft components | Multi-purpose lubricant reduces friction, displaces moisture, removes grease and grime, and protects metal from rust and corrosion – You can use the petroleum-based formula on most materials, excluding polycarbonate and clear polystyrene 8-oz. aerosol canister is sized for portability – Permanently attached, hinged straw offers the option of a precision stream or fan-shaped spray – Corrosion protection continues even after the lubricant has dried. |
Price | Check latest Price | Check Latest Price |
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Conclusion
We recommend Boeshield T 9 as a lubricant between these two products. This is because it is safe for nearly any material, including plastics.