Challenge - GRAVEL GRINDER-RACE-V-TLR-Black-120tpi-700x33 standard compound Graphene up to

standard compound Graphene up to 1 PHR

The Northern California Coast and Santa Cruz Mountains are steeped in road riding history

R:Shield - This is a layer of additional puncture protection located under the tyres tread cap

ready to ride

it becomes one of the lowest rolling resistance tires in the market

Challenge - GRAVEL GRINDER-RACE-V-TLR-Black-120tpi-700x33 standard compound Graphene up toConsumer Product Safety Bulletin March 13, 2019 Make your mark on the gravel scene with the Gravel Grinder. This tyre combines a fast rolling diamond centre with aggressive shoulder knobs that only hook up when the terrain gets soft, muddy, or a bit sketchy.