Bianchi Duel 20" Girls Bike

The Bianchi Duel 20″ Girls Bike is built for the moment a young rider outgrows the single-speed, coaster-brake bike and starts asking for real gears and real brakes. Bianchi has been building bicycles since 1885, and while the Duel 20″ is a world away from the brand's race bikes, it carries the same Celeste green that's followed Bianchi through more than a century of cycling. For a rider around 5 to 8 years old, that's a nice detail — this is a proper Bianchi, sized down without being simplified into a toy.

The frame is alloy 6061 aluminum in a 28cm size, matched to 20″ wheels — light enough for a kid to muscle up a curb or a driveway ramp without the bike fighting back. A 20″ suspension fork up front takes the edge off cracked sidewalks, gravel driveways, and the occasional curb drop that young riders can't always see coming. It's a small addition that makes a real difference on the kind of terrain a 6-year-old actually rides: not smooth pavement, but the mixed surfaces of a neighborhood.

Shifting comes from a Shimano Tourney 6-speed setup with twist-grip shifters — the kind of control a kid can operate with a wrist twist rather than a finger reach, which matters more than it sounds like it should when small hands are still learning where the controls are. The 36T steel crankset and Shimano Tourney rear derailleur give enough range to handle a slight hill without overwhelming a first-time rider with more gears than they need. Stopping power comes from alloy V-brakes front and rear, which are predictable and easy to modulate — no surprises, no grabby lever feel, just consistent stopping when a kid pulls the lever.

The details that make this a kids' bike, not just a small bike, are the ones that matter to parents: a chain guard keeps pant legs and shoelaces away from the drivetrain, the alloy rims and 20 x 1.95″ tires roll confidently over pavement, grass, and packed dirt alike, and a steel-railed youth saddle sits on a 250mm steel seatpost with plenty of room to adjust as the rider grows. The 560mm handlebar and short 60mm stem keep the reach compact, so the bike fits a young rider's proportions instead of asking them to stretch for it.

The Duel 20″ Girls Bike is a first gear bike in the truest sense — a step up from balance bikes and coaster brakes, built to teach shifting, braking, and confidence on two wheels before a rider moves into bigger sizes. It's straightforward, well-specced for its price point, and finished in a colorway that ties a young rider's first "real" bike back to more than a century of Bianchi history.