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GravelKing X1 +
This model incorporates the newly developed "ZSG AGILE COMPOUND" and "TOUGH & FLEX SUPER BELT" which reduces rolling resistance by 12% and weight by 40g compared to the previous model (Using 700C—25C tires as a control metric)
Catalyst is the best balance between a high end racing tire and a training tire offering superb durability
Additionally
Smoke & Dart Classic Folding MTB Tire road GravelKing X1 +The original front and rear classics. Put the Smoke on your rear wheel and feel the 3D knobs dig in going up or down for legendary grip. Put the Dart up front and experience great steering at top speeds. The gold standard of MTB tire design. Black MTB tread Black with black or brown sidewall 30 65 PSI ETRTO: 50 559 SPECS
US$ 99.99
US$ 59.99
US$ 15.00
US$ 25.04