Chiaravalli Chain Sprocket 28B-2 Duplex (1” 3/4 × 1” 1/4)

Duplex chain sprocket for 28B-2 (1” 3/4 × 1” 1/4) roller chain.

• Chain inner width: 30.99 mm
• Chain roller Ø: 27.94 mm
• Tooth radius r3: 44 mm
• Radius width C: 5 mm
• Sprocket tooth width b1: 28.8 mm
• Sprocket tooth width B2: 88.4 mm