Continuous Brass Bead Chains for 1:4 Heavy Duty Chain Drive with Child Safety Breakaway. (CHDRIVESAFD-3)
IMPORTANT SAFETY NOTICE:
When using the 1:4 Heavy Duty chain drive with child safety breakaway the continuous chain must be the correct length so that the bottom of the chain is no lower than 60cm above the floor.
To calculate maximum allowable chain length to comply with new safety regulations:
Max drop of chain = (Height of headrail from floor in cm - 60cm)
Length of chain = drop x 2
Start by selecting a colour for your continuous chain ring