30 Day Unconditional Guarantee
For Trek, Bontrager and Electra products, if for some reason you're not 100% happy with your purchase, you can return it within 30 days for a refund - no questions asked!
Betasso Product Overview
Betasso is an aggressive gravel tyre with a robust RSL GX construction that is built using bead-to-bead plus sub-tread puncture protection so you can explore way off the beaten path worry free.
"The Betasso gripped well"
"Usually with gravel tyres, fast on pavement means you’ll be missing out off-road, but the Betasso gripped well in our humidity-slicked conditions, followed up by bone-dry late summer dust."
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How to pump up your tyres
Setting your bike’s tyre pressure correctly will give you a more comfortable ride with better grip and handling. Learn how.
Learn moreHow to change a flat tyre
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreProduct features
Betasso RSL GX
Named after a popular preserve in Colorado, Bontrager Betasso is an aggressive gravel tyre made for maximum traction and durability in loose and rough conditions.
RSL GX construction
A durable 60 TPI casing with square-woven nylon sidewall and sub-tread puncture protection.
Gravel dual-compound
A firm and fast-rolling rubber at the centre pairs with a medium-firm shoulder rubber for speed, cornering grip and confidence.
A 350% improvement
Betasso RSL GX boasts a 350% improvement in tread puncture protection compared to the Bontrager GR2 Team Issue Tyre it replaces.
Go tubeless
A properly set up tubeless system lets you run lower tyre pressure for better traction, added confidence and a smoother, faster ride.
Better together
Bontrager offers a complete tubeless system including wheels, tyres, sealant, valves, and rim strips. Every part of this set-up is designed to work smoothly together, for the best in performance and ease of use.
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 tyre finder
The right tyres can make every ride better! Find the best tyres for however and wherever you ride.
Find your tyre| Size | 700C x 42mm | 700C x 45mm | 700C x 50mm |
|---|---|---|---|
| Diameter | 700C | 700C | 700C |
| Width | 42 mm | 45 mm | 50 mm |
| TPI | 60 TPI | 60 TPI | 60 TPI |
| Compound | Gravel Dual-Compound | Gravel Dual-Compound | Gravel Dual-Compound |
| Bead | Folding | Folding | Folding |
| Type | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher |
| Maximum pressure | 50 psi | 50 psi | 50 psi |
| ETRTO | 42-622 | 45-622 | 50-622 |
| Tread | Knobby | Knobby | Knobby |
| Construction | RSL GX | RSL GX | RSL GX |
| Studdable | No | No | No |
| Sealant volume | 2oz (59mL) | 2oz (59mL) | 2oz (59mL) |
| Weight | 515g | 545g | 595g |