yotijar Bike Chain Cover Chain Guard Cover for Cycling Accessories Kids Bike A.The bike chain cover is made of high quality PP material, durable, lightweight and long using time.The bike chain guard is designed for protect your bike chain from dust, water, stone, etc.1. Take out the center shaft. 2. Put it into the fixed bracket 3. Reinstall the center shaft 4.Please make sure the bracket is properly installed and do not install upside down. 5. Reinstall the chainring. 6. Reinstall the chain. 7. Install the chain cover. 8. Fix the chain cover with screws. 9. Fix the tail of chain cover. (please pre place the hole.)The length from the bracket end to the center of the chain cover is 330-430mm/12.99inch-16.93inch, the outer diameter of the circular part is 110mm/4.33inch, the inner diameter is 94mm/3.7inch.The bike chain guard protector is suitable for 48-52T, please confirm the size and crank set gear for sure it is suitable Note: The conjoined center shaft bike and hollow shaft bike can not be installed.Mountain Bike Chain Guard Cover replacement. Chain cover Sprockets Chainring Protector. bike crank sprocket chain guard gear cover. Crankset Protection road bike Accessories. chain shell case protective cover.
