Specifications:

• Category: Chain Wheel
• Color: black/red
• feature: Bcd crown 104
• for crankset: M770 M780 M785 M980 M640 M820
• for: M391 M430 M590 M610 M615 M610 M670 M675
• Hign-concerned Chemical: None
• Material: Aluminum alloy
• Model Number: DECKAS BCD104 round 30t
• Origin: Mainland China
• Use: BMX
• Use: Cruisers
• Use: Kids' Bikes
• Use: Mountain Bikes
• Use: Road Bicycles