Introducing Carbon Blueâ¢ technology â a belt drive system combining unmatcheddurability with the authentic outdoor biking feel you expect from Schwinn. For nearly 20 years, Schwinn chain drive bikes have led the indoor cycling industry. Even as othercompanies began to use belt drives, we stayed true to our technology for one simple reason: belt drivesfelt nothing like riding an outdoor bike. Today, all of that is changing. There is a revolutionary new beltdrive taking the outdoor bike community by storm, and weâve adapted it and brought it indoors on theA.C. Sport. This next generation system delivers guaranteed durability and virtually zero maintenance,without sacrificing the Schwinn authentic cycling feel that riders know and love.
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