Challenge Gravel Grinder Pro Tire 40-622 TL-R - Brown/Bl

The Gravel Grinder (GG) is one of the best-selling Gravel profiles and has always been appreciated for its all-round use off asphalt roads.
However, there is always room for improvement, so now, after nearly a decade of success, the GG tread design is getting an upgrade.

- SMARTPLUS compound
- Foldable tire
- TL-R

Specifications;
Brand: Challenge
Model: Gravel Grinder Pro
Type: Tire
Weight: 470 grams
Maximum pressure (PSI): 44
Maximum Pressure (Bar): 3
Tire size: 28"
Tire type: Foldable tire
Tubeless: Yes
Bandwidth: 40mm
ETRTO size: 40 - 622
French size: 700x40
Color: Brown/Black