Product Description
TSI 321 is a premium, NASA-developed synthetic lubricant that is widely considered a "holy grail" bearing oil in the fishing community. It works exceptionally well in fishing reels because it bonds directly to metal, creating a thin, dry lubricating film that dramatically increases casting distance, prevents rust in saltwater environments, and doesn't attract dust or dirt.
Key Features:
- Extreme Temperatures: Designed to handle temperatures ranging from \(-100^{\circ }F\) to \(+350^{\circ }F\) without breaking down.
- Superior Bonding: It penetrates faster than standard oils, displacing water and creating a long-lasting protective barrier without a greasy, caked-on buildup.
Best Applications:
Reel Bearings:
This is exactly where TSI 321 shines. Just one drop per bearing is enough to make casting noticeably smoother and quieter.Level Winds & Shafts.
Excellent for maintaining the level wind worm gear and main shaft without creating a mess. Anti-Corrosion: Perfect for coating exposed metal parts to prevent oxidation.
Increases the life of reel bearings!
Product Videos
Custom Field
Product Reviews
6 Reviews Hide Reviews Show Reviews
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Super smooth!
I put this on an old baitcaster's bearings that were starting to grind slightly. The reel is quiet and smooth now. The reel feels and works like it did when it was new. I'll use this on all of my reels.
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TSI 321 lubricant
I cannot give this product any ratings, much less a bad one, since I haven't used it yet. So, it gets the benefit of the doubt with FIVE STARS!
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321 Oil
Very Happy- A great bearing and general purpose lube- Regards
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TSI 321
TSI 321 is a must have synthetic oil for all your reel lubrication needs. For the past 3 years I have used TSI 321 oil throughout the fishing seasons. If you maintain your own reels TSI 321 is a must have.
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Superior lubricant
I use this product on an industrial axial inserter which places resistors and diodes on a circuit board. the drive heads are very sensitive and require a quality lubricant that doesn't just rub off quickly.
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Slipery slick
This is the oil that makes your bearings spin freely as possible, It is a toxic chemical so keep it away from the children. But it works great and lasts longer than other oils.
