Schwalbe Racing Ralph Super Ground Tire - 27.5

Color: Black
Size: 27.5 IN x 2.25 IN
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A rear wheel specialist, the 27.5 in. Schwalbe Racing Ralph Super Ground tire features a versatile profile with grippy, fast-rolling tread for XC racers—all while maintaining a quiet ride.


  • The Super Ground version of the Racing Ralph is light, stable and comfortable; the balanced ratio of puncture protection to smooth rolling is ideal for long, flowing trails
  • ADDIX Speed compound for XC race specialists is built for speed with low rolling resistance
  • Plenty of grippy edges in the low-profile center tread supply traction and acceleration
  • Distinct shoulder studs enhance lateral grip
  • Part of the Schwalbe Evolution Line, combining the highest-grade materials with the latest technology
  • This tire has the Schwalbe E-25 recommendation, making it a great choice for e-bikes with pedal assistance up to 15.5 mph (25 kph)
  • Recommended for use as a rear tire
  • Note: Tire images shown may not reflect size/color/material options available on this page


View all Schwalbe Mountain Bike Tires

Technical Specs

Best Use

Mountain Biking

Wheel Size

27.5 inches

Tire Width

2.25 inches

Bead Type




Thread Count Casing (tpi)

67 threads per inch

Tread Type

Knobby Tread

Recommended Pressure (psi)

26-54 pounds per square inch


605 grams

Tire Type

Tubeless Ready

Designed for E-Bikes


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