CHALLENGE tires GRAVEL GRINDER TLR Pro 700x40 black/tan

Product description

The Gravel Grinder is our original and often-imitated fast gravel design. It combines a speedy diamond center for low rolling resistance with aggressive shoulder knobs that reliably hook-up when the terrain gets soft, muddy or a bit sketchy. 

This handmade PRO version combines a supple Super Polyester casing with our durable SmartPlus Compound. 

This Challenge TLR model is hookless rim compatible.

For perfect tubeless setup use Challenge Smart Tubeless Sealant

Specifications

• Tread Material: Glued tread based on
• Smart Plus natural rubber = low rolling resistance and excellent adhesion
• Casing/Sidewall Material: Super PolyCorazza Armor sidewall material ensures excellent properties, comfort, and durability in terrain Rim Compatibility: For use only with Hooked rims (with bead retention groove)
• Puncture Protection: PPS Ganzo + 2× PPS puncture protection layers
• TPI Rating: 260
• Min. and Max. Pressure: 1.7−3 BAR
• Weight: 470 g
• Requires the use of latex-free sealant