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IRC GP-21 / GP-22

Dual sport

IRC GP-21 / GP-22: the narrow GP-21 front at left and the wider GP-22 rear at right, tread faces head-on, square blocks on both, on white

IRC's all-round trail pair, the GP-21 front and GP-22 rear, sold together as the Foot Loose. IRC fits it as original equipment on Honda's CRF250L, CRF250 Rally and CRF450L and on Kawasaki's KLX230. The same rear pattern also comes in three 12 inch sizes for mini bikes such as the Grom.

Made for 12", 19", 21" front and 12", 16", 18" rear rims.

IRC GP-21 / GP-22 specifications
Character
TerrainDual sport
Also sold asGP-21, GP-22, GP-21F, GP-22R, Foot Loose
Maker's own splitProvides natural handling on street and dirt.
Street legal (DOT)Yes
Compound—
Construction
CarcassBias ply
TubeTubeless and tube type, by size
Sizes
Front rims12" · 19" · 21"
Rear rims12" · 16" · 18"
Front sizes
  • 2.75-21 45P TT
  • 3.00-21 51P TT
  • 80/100-21 51P TT
  • 70/100-19 42P TT
  • 100/90-12 59J either end
  • 120/70-12 51L either end
  • 130/70-12 56J either end
Rear sizes
  • 4.10-18 59P TT
  • 4.60-18 63P TT
  • 120/80-18 62P TT
  • 90/100-16 51P TT
  • 100/90-12 59J either end
  • 120/70-12 51L either end
  • 130/70-12 56J either end
Price and resources
Front, typical retail$109.95
Rear, typical retail$161.95
BuyView at RevZilla
Websitewebsite
Reviews—
IRC GP-22: the 12 inch mini bike size, two of the same tire in three-quarter view with GP-22 moulded into the sidewall, on white

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