Color: Black


Kimberlite is a precious rock that often contains an even more valuable mineral — diamonds. The American Classic Kimberlite is as valuable to gravel riders as its namesake. For fast adventures on both pavement and gravel, look to the Kimberlite tire. This go-anywhere tire performs like a road tire on pavement and hooks up on hardpack dirt surfaces. The semi-slick tread starts with a smooth center for decreased rolling resistance on smoother surfaces, transitions thru progressively more aggresive zones for maximum lateral traction, and wraps up with robust edge knobs for dependable cornering. The Tubeless 120 TPI casing provides the ultimate construction for speed and comfort, and the Stage 5S Armor provides a tire that is lighter, faster, and more cut, tear, and abrasion resistant.


  • Fast and efficient tire from pavement to mixed surface
  • 700x35C, 700x40C, 700x45c, 700x50C, 650Bx47
  • Tubeless Ready
  • Stage 5S Armor construction
  • Rubberforce G gravel tire compound
  • Continuous center tread is road-bike fast
  • Black, tan, or brown sidewall
ProtectionStage 5S Armor
Color OptionsBlack
Rim FitmentTubeless
Size Options700x35C (ETRTO 35-622)
Weight: 480 g
Max Pressure: 70 PSI (TC/TT)

700x40C (ETRTO 40-622)
Weight: 520-525 g
Max Pressure: 55 PSI (TC/TT)

700x45C (ETRTO 45-622)
Weight: 608-617g
Max Pressure: 55 PSI (TC/TT)

700x50C (ETRTO 50-622)
Weight: 630-640 g
Max Pressure: 50 PSI (TC/TT)

650Bx47 (ETRTO 50-584)
Weight: 595-605 g
Max Pressure: 50 PSI (TC/TT)

2-Year Warranty

American Classic tires have a 2-year warranty against defects in materials and workmanship. Any defective tires will be replaced at no charge. This warranty applies to the original owner with proof of purchase and is non-transferable and non-assignable. The original owner is responsible for all postage costs and transportation risks of the returned product(s). The warranty covers American Classic products purchased through authorized dealers,, or the American Classic branded Amazon store, and product included as original equipment components of a new bicycle purchase. The warranty does not cover normal wear and tear, product abuse, commercial usage, shipping damage, improper installation and/or maintenance, negligence, reckless handling, and/or unauthorized modification.

Please contact for warranty information and claim forms.


  Hookless Compatibility

Some American Classic tires are compatible with hookless (Tubeless Straight-Side/TSS) rims. To be compatible, the following must be met:

  • The tire must be a Tubeless-Ready model,
  • The tire must not include Stage 3 Flat Protection or Stage 3S Flat Protection,
  • The tire must be placed on an appropriate width rim, 
  • The rim must meet current E.T.R.T.O. standards for tubeless systems, and
  • The air pressure must be below the lowest maximum pressure as listed by both the rim and the ISO recommended pressure for Tubeless-Ready tires on hookless rims.  

More information on hookless compatibility can be found on our Tire and Rim Compatibility page.

Not approved for use on hookless rims:

  • Lamplighter (all versions)
  • Timekeeper Tube-Type (all versions)
  • Timekeeper TLR with Stage 3 Flat Protection
  • Torchbearer Tube-Type (all versions)
  • Torchbearer TLR with Stage 3S Flat Protection
  • Any, and all, tube-type tires

Warning: the maximum air pressure listed on American Classic tires is for hook bead systems. Hookless systems require a lower maximum pressure. ISO provided maximum air pressures for hookless systems can be found in the Tire Pressure section on our Tire Basics page

ISO - International Organization of Standards
E.T.R.T.O. - The European Tire and Rim Technical Organization


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