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The Laurel Cyclery is open for pick up of completed repairs and online purchases of bikes, accessory and parts. Curbside walk-up service for in-stock items is also available. Repairs, tune ups, and safety checks are done only through scheduled appointments (see our website for more information).

Please note that due to high demand, there's a 10-14 day turnaround on assembly of bicycle purchases. We will reach out to folks to schedule bike pick ups. Please email us to confirm that your bike is ready for pick up.

Repair priority is extended to essential workers, immunocompromised people and/or houseless folks. If you fall into one of these categories, or have a unique situation that defies category, please contact us at the shop or laurelcyclery@gmail.com.

Challenge Tires Gravel Grinder Pro Handmade Tubeless Tubular

Challenge Tires Gravel Grinder Pro Handmade Tubeless Tubular
$99.99
Color:
Black/Tan
Size:
700c x 33
Please select options

Details

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast-rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. The Tubeless Tubular version, with 260TPI SuperPoly casing, offers a unique combination of tubeless and tubular construction that's more secure on the rim and more comfortable at lower air pressures, is fast-rolling, and is compatible with both tubeless sealants and tubeless tire plugs. This tire includes PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the casing to increase resistance to punctures. The Presta valve includes a removable core.

Handmade
- Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires.

Tubeless Tubular
- Tubeless Tubular system maintains all the performance benefits of the best handmade tubulars. A latex liner is fused to the casing, replacing the traditional inner tube, allowing for the use of a plug to finish a ride or race in case of a puncture too large for the sealant to fix.

PPS 2
- The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.

Tubeless technology

Going tubeless allows you to run lower tire pressures without the added weight of a tube. Lower tire pressure has many benefits, including greater traction, lower rolling resistance over rough surfaces, and decreased risk of a puncture-related flat.

Tubeless-ready rims and tires are parts of a complete system that eliminate the need for tubes by creating an airtight chamber between the rim and tire. Liquid sealant is added to the chamber to fill small punctures and maintain air pressure while you ride.

UST (Universal Standard for Tubeless) is a specific type of tubeless system that dictates the shape of the rim and tire beads. UST rims should be paired with UST-specific tires for best results.

Part Numbers

Option UPC MPN
Black/Tan / 700c x 33 08855627106701 10670

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