Product Summary

  • 300S21 bias ply tire with blackwall sidewall, tube type
  • The Ensign Universal road tire is a perfect fit for classic European and Japanese motorcycles from the 1960's and 1970's
  • S Speed Rated: Up to 112 mph (180 km/h)
  • S speed rating; max load 551 lbs
  • Approx. 28.10 in overall diameter, 3.15 in section width
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Key Specs

MFG. Part #74777
PositionFront or Rear
Tire TypeMotorcycle
Tire ConstructionBias Ply
Tire SidewallBlackwall
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Ensign 74777 Details

The Ensign Universal Road 300S21 is a bias ply motorcycle tire in blackwall. It requires a tube and is rated for up to 551 lbs. Mounted on a 21 in wheel, it measures about 28.10 in tall and 3.15 in wide.

300S21 Universal Road Blackwall Motorcycle Tire:

The Ensign Universal road tire is a perfect fit for classic European and Japanese motorcycles from the 1960's and 1970's. Its block-style tread pattern and 300S21 sizing offers excellent traction on or off road, and provides an authentic look for vintage motorcycles.

S Speed Rating:

S Speed Rated: Up to 112 mph (180 km/h). Often required OE for higher performance trim level classic automobiles.

Ensign Vintage Tires:

Ensign produces quality tires in popular sizes for Veteran automobiles and motorcycles.

Specifications:

  • Size: 300S21
  • Construction: Bias Ply
  • Sidewall: Blackwall
  • Overall Diameter: 28.10 in
  • Section Width: 3.15 in
  • Wheel Diameter: 21 in
  • Max Load: 551 lbs
  • Tube: Tube type

Dimensions are approximate and vary with rim width and inflation pressure.

Ensign 74777 Specifications

KEY SPECS
MFG. Part #74777
BrandEnsign
PositionFront or Rear
Tire TypeMotorcycle
Tire ConstructionBias Ply
Tire SidewallBlackwall
Wheel Diameter21 Inch
Tire Size300S21
Tire Diameter28.10"
Load Capacity551 lbs.
GENERAL
Tire(s) Mounted & BalancedNo
Tire Diameter Range28.00 - 28.99"
Section Width3.15"
Tubeless TireNo
Tube RequiredYes

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