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Description
Optis Tubeless Tire Insert - 29" x 28-40mm Insert OnlyOPTIS (Odyssey Pneumatic Tire Insert System) is a lightweight, highly tunable, high efficiency, tubeless tire insert. Tire assemblies are one of the most important performance factors for any bike. They provide all the grip to the ground, they serve as a critical first element of the bikes suspension and they provide essential support to the cornering forces that the bike encounters. OPTIS separates the function of the bikes grip from its suspension
OPTIS (Odyssey Pneumatic Tire Insert System) is a lightweight, highly tunable, high-efficiency, tubeless tire insert. Tire assemblies are one of the most important performance factors for any bike. They provide all the grip to the ground, they serve as a critical first element of the bike’s suspension and they provide essential support to the cornering forces that the bike encounters. OPTIS separates the function of the bikeʼs grip from its suspension and stability by turning the tire into a two-chamber system. This allows for lower tire pressures while the insert is inflated to a higher pressure than the tire, keeping the tire supported while allowing the main volume to be at a lower pressure that provides optimum grip.- Riders can separately tune the tire's grip and internal support through a dual-valve design, allowing for lower tire pressures and ride characteristics that would not be possible with a traditional tubeless or foam insert set-up
- Instead of forming to the internal tire casing like an ordinary inner tube, OPTIS cinches down against the tire bead and hugs the rim when inflated. This creates a bead lock that prevents burping, protects the rim from impacts and offers a limited amount of run-flat protection when the tire is damaged or punctured
- OPTIS reduces rolling resistance by facilitating the use of lower pressures and lighter tires. Rolling efficiency is greatly improved on rough surfaces without the hysteresis losses often associated with foam inserts
- OPTIS is lightweight, adding less than 90g per wheel to an ordinary tubeless set-up and provides greater protection than traditional inserts that are much heavier
- Valve is constructed from Aluminum, Insert is made from Nylon and TPU (Thermoplastic Polyurethane)
- Designed to fit rims with 28 – 40mm internal width, at a maximum inflation of 50psi
Product Specifics
- Defined Color: Yellow
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 630950941346
EAN: Not available
Manufacturer Part Number: ODT-502-291
TR00175 630220
195756-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great tinted physical sunscreen
Size: 1.7 Ounce (Pack of 1)
This is my new favorite sunscreen. It goes on matte, but is still easy to put on/not pasty. The tint is enough to get rid of the ghost look but not so much that it looks like fake tanner. It's a bit greasier feeling than I'd like but it doesn't look greasy at all so I'll take it.
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Reviewed in the United States on March 31, 2026
★★★★★ 4
Stunning
Size: 1.7 Ounce (Pack of 1)
Good lord this is a beautiful mineral sunscreen. And at a reasonable price. It has a mouse-like consistency, is light and airy dries down to a satin-like finish after 15 or so minutes. It has a primer like feel to it which some might not like but this is perfect for those of us with combo/oily skin.
I’m fair/light skinned and the color is a perfect match. Gives me a light no-makeup makeup look. Works well under make-up as long as you let it set first.
One thing that's a con and has me on the fence about daily use is that because it's so thick and silicone like, you can't put the full 1/4 tsp on your face right away as it's just too much. For the 2 finger application I have to put it on in stages, and let each finger length dry down before adding the next, otherwise it's too much product to do all at once. Takes longer in the morning which isn't ideal but given everything else it has going for it it's still workable for me. I'll see over time if I want to repurchase.
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Reviewed in the United States on April 7, 2025
★★★★★ 5
Light and Feels like whipped butter - Tinted
Size: 1.7 Ounce (Pack of 1)
Love the tinted type of this. Soft and creamy to put on my face and feels lighweight. Color is not overwhelming.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Excellent sunscreen, my favorite
Size: 1.7 Ounce (Pack of 1), Size: 1.7 Ounce (Pack of 1)
In search for a perfect tinted sunscreen I have tried just about every brand of tinted mineral sunscreen that’s available here on Amazon, so you might recognize me from other reviews. I have a sensitive skin and can’t tolerate chemical sunscreen. I also have red and bumpy skin on my cheeks due to rosacea, so I need a tint to cover redness. I’m really glad I finally decided to give Sunbum tinted sunscreen a try because it quickly became one of my favorites. My other favorite is MD Solar Science BB cream in shade Light. These two are quite similar, both are very silicone like, due to a great amount of dimethicone. They feel like primers and because of that are very sticky and hard to wash off your fingers. But both look very natural and skin like. MD Solar Science (light shade) is slightly darker while Sunbum is pretty pale but not in an unhealthy way. My skin is a bit darker than Sunbum shade right now. Yet it covers my rosacea and evens out my skin tone just enough. It’s not drying but also not shiny, and because of that it doesn’t magnify wrinkles, which is a big plus: I’m tired of tinted sunscreens highlighting the wrinkles I have that are not even noticeable without them.
Sunbum is slightly lighter and provides a bit less coverage than MD Solar. It also doesn’t have much zinc, which was a point of criticism from popular bloggers. Because of that it might not be perfect for everyday wear. But if you want to have the most natural “no make up” look and you’re light skinned, this is a great choice on the days when you’re not expecting to be under too much sun. I use retinol on my forehead at night and I didn’t get sunburnt when using this sunscreen. So the only concern here would be the gradually accumulated damage from the long UV-A rays.
Another thing I like is that unlike MD Solar, Sunbum doesn’t contain vitamin C and therefore doesn’t irritate my sensitive skin. It’s also less expensive. I will keep repurchasing.
Note: in the unfiltered photo attached here, you can see the sunscreen after a 5 hour wear, that included eating, touching my face etc, so it’s a bit worn off and the redness on my cheeks is more visible. Even when freshly applied it didn’t cover redness completely because of being light coverage sunscreen.
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Reviewed in the United States on July 20, 2023
★★★★★ 3
Decent but not the best
Size: 1.7 Ounce (Pack of 1)
I like that this sunscreen is matte and tinted, but that’s about it. I have pretty oily skin and the mattifying effect only lasts for about 6-7 hours.
Unfortunately this product doesn’t absorb very well either. It tends to accumulate in any wrinkles and also tends to sit on top of any sort of facial hair or areas of dry skin.
A much better product, that absorbs very well and controls oil literally all day long, is Trader Joe’s mattifying facial sunscreen in the sea foam green tube. It isn’t tinted like Sun Bum but it beats it in every other category, especially in price.
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Reviewed in the United States on April 29, 2026
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