This is a brand new heavy duty 25H chain

Fit Models:

• 47cc 49cc 2 stroke mini pocket bikes, dirt bikes, ATVs, and quads

Dimensions:

• Length (folded in half): 17" 
• Total Links: 69 
• Inner link (per link): 5.23mm
• Outer link (per link):7.5mm
• Length (per link): 11.3mm

Note:

• No master link.
• Some 2 stoke bikes use T8F chain, please check the type and length of the original chain to make sure.