Schwalbe Black Jack (47-203, Wired, K-Guard, Black'n'Roll, Black)

A confidence‑boosting kids’ tire with real off‑road attitude. The Black Jack rolls fast and quiet on pavement thanks to its continuous center rib, while the open shoulder tread delivers dependable grip on dirt, grass, and gravel. Schwalbe’s special Black’n’Roll compound prevents unsightly skid marks on indoor floors—perfect for young riders who move between the driveway and the living room.

• Size: 12 x 1.90 (47‑203)

• Compound: Black’n’Roll (no floor marks)

• Protection: K‑Guard puncture protection

• Bead: Wired

• Seal Type: Tube

• Weight: 0.57 lb

• Pressure Range: 30–65 PSI

• Max Load: 50 kg

• Tread: HS407

A durable, versatile upgrade for balance bikes and early pedal bikes—built to keep kids rolling smoothly wherever they ride.