130 BCD Chainring, 50T 52T 54T 56T 58T Folding Road Bike Round Single Speed Narrow Wide Bicycle Chain Ring, Aluminium Alloy Superlight Sprocket, Fit 14'' 16'' 20'' Folding Bike

Chainring description:
Material: CNC AL7075 Alumium alloy
Color: black
BCD:130mm
Teeth: 50T 52T 54T 56T 58T
Weight: 85/88/92/98/103g
Diameter: 208/216/224/231/242mm
Compatible chain speed:6/7/8/9 speed
Advantage：This highly efficient narrow/wide chainring will grip the chain perfectly, prevent chain drops and will increase confidence you have in your bike's drivetrain.

Selection suggestions:
√For 14/16/20 inch folding bike, each size has a common choice for chainring teeth
√14-inch folding bike is generally 47T
√16-inch folding bike is generally no more than 53T
√20-inch folding bike is generally no more than 56T
√of course, it can be adjusted according to personal circumstances.If you replace the larger teeth chainring of your bike, the chain must be lengthened generally.