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For the roads less travelled

The GR1 Team Issue gravel tire is designed for fast rolling performance and consistent traction on the roads less paved. It has proven success at the most demanding gravel races, and features Inner Strength Casing for lightweight puncture protection while maintaining a smooth, supple, fast feel. Plus, you can go tubeless for better performance and even more puncture protection.

Product details

  1. A gravel tire that excels in fast and firm conditions
  2. Fast-rolling and predictable cornering with consistent traction
  3. Tubeless Ready (TLR) for easy tubeless setup and puncture protection
  4. Supple and strong Inner Strength casing provides lightweight sidewall protection
  5. Lightweight 120 TPI casing provides great ride feel and tire performance

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Features

GR1 Tires

GR1 Tires

A gravel tire that rolls fast while providing confident traction across all road surfaces. Perfect for the road less travelled.

Inner Strength

Inner Strength

Our Inner Strength Casing is made of lightweight nylon inserts that provide strong, supple sidewall protection for added tire durability.

Go tubeless

A properly set up tubeless system lets you run lower tire pressure for better traction, added confidence, and a smoother, faster ride.

Learn more
Better together

Better together

Bontrager offers a complete tubeless system including wheels, tires, sealant, valves, and rim strips. Every part of this setup is designed to work smoothly together, for the best in performance and ease of use.

How to set your tires up tubeless

Going tubeless adds performance, speed, and comfort to your ride and can even help seal punctures before they become flats. Bontrager makes tubeless setup simple, and we'll teach you everything you need to know to do it yourself.

Learn more

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Specifications

Size 700C x 35mm 700C x 40mm
Diameter 700C 700C
Width 35mm 40mm
TPI 120 TPI 120 TPI
Compound 60a/52a 60a/52a
Bead Folding Folding
Type Tubeless Ready (TLR)/Clincher Tubeless Ready (TLR)/Clincher
Max pressure 50psi 50psi
ETRTO 35-622 40-622
Puncture protection Inner Strength Inner Strength
Studdable No No
Weight 390g 430g
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

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