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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 Race Vulcanized TLR Clincher

Challenge Tires Gravel Grinder Race Vulcanized TLR Clincher
  • Color | Size: Black | 700c x 33
  • Color | Size: Black | 700c x 38
  • Color | Size: Black | 700c x 42
  • Color | Size: Black/Brown | 700c x 33
  • Color | Size: Black/Brown | 700c x 38
$63.99
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. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant..

TLR
- TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube.
- A bead-to-bead inner coating gives added puncture protection to these tubeless ready tires and greatly reduces gradual loss of air pressure. An aramid bead protection strip increases tire longevity and reduces rim chafing.

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 / 700c x 33 08855627020441 02044
Black / 700c x 38 08855627020045 02004
Black / 700c x 42 08855627020144 02014
Black/Brown / 700c x 33 08855627020496 02049

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