Prowheel Mountain Bike crank chainring 170/75mm Square Hole Aluminum Alloy Crank 30/32/34/36/38/40/42/44/46/48/50/52T Sprocket 104BCD MTB Crankset
Brand:Prowheel
Material: aluminum alloy
Specification: BCD 64mm/104mm
Compatible: single, double Chainring
Color: Black
Crank:170mm/175mm
Sprocket:30T/32T/34T/36T/38/40/42T
Note: Equipped 64BCD screw
The material of the 30T sprocket is 7075 aluminum.