BLUE LUG original front single chain ring "FAT SLIM CHAIN RING". By alternately arranging teeth of different thickness according to the gap of the link, the chain is firmly held and it is prevented from falling off.
It is easy to match regardless of the crank design with a simple design that does not include a conspicuous logo.
Number of teeth: 38, 40, 42T
Corresponding chain: 9-11 speed
Color: silver, black