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Challenge Tires Gravel Grinder

Challenge Tires Gravel Grinder
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Details

- 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

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