Description
TEETH: 18T, Chain compatibility: 1/2" x1 / 8", 2 pcs included.SIZE: The inner diameter: 1.34 inch (34.1mm).MATERIAL: Made of high tensile steel material, high precision, smooth rotation and easy maintenance.FEATURE: Lightweight and compact, can be easily removed or installed on the bicycle.APPLICATION: Perfect for single-speed bikes or tricycles, compatible with standard threaded bicycle rear hub