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Aeolus RSL delivers free speed
Aeolus RSL is a fast and supple race tire. Its 320tpi cotton casing and Race Dual Compound minimize rolling resistance, and as an added bonus, the tire's aerodynamics have improved, making it feel like you're always riding with a tailwind.
Gear of the year (2024)
"The new Aeolus RSL TLR has significant rolling resistance and aerodynamics improvements over its previous R3 TLR tires"
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"Some of the best I’ve used"
"The Bontrager Aeolus RSL 51 is a solid wheel and those tires are some of the best I’ve used"
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"We were impressed"
"Overall, we found the Bontrager Aeolus RSL TLR tires to be fast and supple tires."
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How to: Pump your tires
Setting your bike's tire pressure correctly will give you a more comfortable ride with better grip and handling. Even better, it can help prevent flats
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Planet Earth is our home and our responsibility —we must do our part to preserve it. Learn how you can join the #GoByBike movement and help make a difference in the future of our planet and all who call it home.
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There's a lot more to Trek than making the world's best bikes and cycling gear. Learn more about everything Trek is doing to make the cycling space safer, more inclusive, plus a whole lot more fun.
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Aeolus RSL
Aeolus, the god of wind and nemesis of all road cyclists, has been doling out performance-inhibiting wind for centuries. Lucky for you, we’ve spent the last 25 years engineering ways to outsmart him with our proven Aeolus wheels, saddles, handlebars, and tires.
Race day, every day
Aeolus RSL is a race-ready road tire that delivers a serious +3.7 watt savings* in rolling resistance, giving you a massive boost of free speed. *Versus the R3 TLR.
Tires with a tailwind
The new design cultivates impressive aerodynamic gains, helping you save precious watts that'll have you feeling like you're always in a tailwind.
Crafted with cotton
A 320tpi cotton casing with more flexible fibers offers the comfort and speed by better conforming to road surfaces. The result is a smoother, fast, and grippier experience.
Flat-free racing
Ride easy with the confident flat protection of a Tubeless Ready setup. A sub-tread breaker belt directly under the tread provides an additional later of protection from road debris.
30-Day Unconditional Guarantee
If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn moreTry our tire finder
The right tire can make every ride better! Find the best tire for however and wherever you ride.
Find your tireYour guide to road tires
We’ll help you pick the right tires for however and wherever you ride.
Find your tire| Size | 700C x 26mm | 700C x 28mm | 700C x 30mm | 700C x 32mm |
|---|---|---|---|---|
| Diameter | 700C | 700C | 700C | 700C |
| Width | 26mm | 28mm | 30mm | 32mm |
| TPI | 320 TPI | 320 TPI | 320 TPI | 320 TPI |
| Compound | Race Dual-Compound | Race Dual-Compound | Race Dual-Compound | Race Dual-Compound |
| Durometer | 61a/50a | 61a/50a | 61a/50a | 61a/50a |
| Bead | Folding | Folding | Folding | Folding |
| Type | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher |
| Max pressure | 105psi | 95psi | 90psi | 85psi |
| ETRTO | 26-622 | 28-622 | 30-622 | 32-622 |
| Tread | Semi-slick | Semi-slick | Semi-slick | Semi-slick |
| Construction | RSL TLR | RSL TLR | RSL TLR | RSL TLR |
| Studdable | No | No | No | No |
| Sealant volume | 2oz (59mL) | 2oz (59mL) | 2oz (59mL) | 2oz (59mL) |
| Weight | 265g | 285g | -- | -- |