Challenge Tires Gravel Grinder

Challenge Tires Gravel Grinder
700 x 42c
Please select options
This item is only available through our retail locations. Please visit your nearest Trek Bicycle Store to purchase. Some items listed as "In Stock" may not be immediately available in our store. Please call for verification.


- File tread pattern center with large side knobs for optimized rolling speeds and cornering confidence
- Double Puncture Protection system helps to prevent flats
- Use: All Around Gravel
- Size: 700
- Tire Width: 42 mm
- Internal Rim Width: 17-23 mm
- Weight: 375 gr
- TPI: 120
- Bead: Aramid
- Casing: Nylon
- Flat protection: PPS
- BAR: 2.5-4
- PSI: 35-60
- Color: Black-Black

Part Numbers

Option UPC MPN
Black / 700 x 42c 08855627019414 01941