LITEPRO 130BCD AL7075 Alloy Positive & Negative Teeth Crank Single Disc 50T Bike Chain Ring Single Chainring for Folding Bicycle BMX MTB

• Positive and negative tooth design, the chain is not easy to fall off

• All the connecting positions of the positive and negative teeth are in a circular arc transition, and no sediment will accumulate

• Hollow and lightweight design, no burden on your bike

• High-strength aluminum alloy cutting and forming, full CNC processing technology

• Racing single speed, for 8/9/10 speed

Specifications:

• Material: AL7075 chainring

• B.C.D.: 130mm 

• Chainring size: 50T