An aggressive gravel tyre that's perfect for grip and durability in mixed and loose conditions.
- An aggressive gravel tread provides grip and durability in mixed and loose conditions
- RSL GX Construction: 60 TPI casing with bead-to-bead and sub-tread puncture protection
- Gravel Dual-Compound: fast rolling centre and medium shoulder
- The Tubeless Ready (TLR) tyre for easy tubeless set-up and puncture protection

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.