39T / 53T can be used variable speed gear drive
44T single speed drive / dead coaster using (sprocket relatively thick, variable speed with the car will be stuck in gear chain, there are different sound, etc.)
44T/46T/48T Suitable for single-speed bicycle/dead-flying bicycle
Before purchasing, please check the parameters of your dental disc, so as not to be able to install it
Replaceable crank
1.five claw
2.BCD 130mm
Name: Aluminum hollow chainring Crankset
Specifications: 39T, 44T, 46T, 48,53T
Material: 7075-T6 aluminum alloy
Color: Anodized Silver / Black
BCD: 130
Weight: ± 39T-45g 44T-82g 46T-100g 48T-120g 53T-88g
Features: tooth disc after heat treatment technology by adding anodized finish polishing, matting silver anode bright colors bright.