21" Motorcycle Front Inner Tubes 3.00-21 (90/90-21, 80/100-21), Pair - Fits XR650L, DRZ400, TTR230, KLR650
$19.95

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This listing includes a pair of 21‑inch front inner tubes designed as standard replacements for a wide range of off‑road, dual‑sport, and vintage motorcycles. Because tire manufacturers use different sizing systems, each tube in this pair is built to fit several common size designations, making them a versatile choice for multi‑bike garages or riders who want a spare on hand.

Both tubes are suitable for everyday riding, trail use, and long‑distance travel, offering reliable performance and compatibility across multiple inch, metric, and alpha size formats.

Size Compatibility:

  • Inch Sizes: 3.00‑21, 2.75‑21
  • Metric Sizes: 90/90‑21, 80/100‑21, 90/100‑21
  • Alpha Sizes: MH90‑21, MJ90‑21

Common Bike Fitments:

  • Compatible with Honda: CRF250L, XR650L, XR250, CRF450RL
  • Compatible with Suzuki: DRZ400S/SM, DR650, RM‑Z series
  • Compatible with Yamaha: TTR230, YZ250F, WR450F, Tenere 700
  • Compatible with Kawasaki: KLR650, KLX300, KX250
  • Compatible with Chinese Brands: CSC TT250, Hawk 250, TaoTao, Apollo (21‑inch front models)

Size Reference:

  • 3.00‑21: 90/90‑21 (Metric), MJ90‑21 (Alpha)
  • 2.75‑21: 80/100‑21 (Metric), MH90‑21 (Alpha)

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