Chiaravalli Chain Sprocket 20B-2 Duplex (1” 1/4 × 3/4”)

Duplex chain sprocket for 20B-2 (1” 1/4 × 3/4”) roller chain.

• Chain inner width: 19.56 mm
• Chain roller Ø: 19.05 mm
• Tooth radius r3: 32 mm
• Radius width C: 3.5 mm
• Sprocket tooth width b1: 18.2 mm
• Sprocket tooth width B2: 54.6 mm