How to change a flat tyre
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreProduct features
GR1 Tires
A gravel tyre that rolls fast while providing confident traction across all road surfaces. Perfect for the road less travelled.
Inner Strength
Our Inner Strength Casing is made of lightweight nylon inserts that provide strong, supple sidewall protection for added tyre durability.
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 40mm |
|---|---|
| Diameter | 700C |
| Width | 40mm |
| TPI | 60 TPI |
| Durometer | 60a |
| Bead | Wire |
| Type | Clincher |
| Maximum pressure | 50psi |
| ETRTO | 40-622 |
| Tread | Knobby |
| Construction | Inner Strength |
| Studdable | No |
| Weight | 495g |