104BCD Гладкая круглая форма цепное колесо Черный узкий широкий круг велосипедная Звездочка Антикоррозийные зубы из алюминиевого сплава легкая установка

Features:
Please determine your crank 104 BCD specification carefully before buying.
CNC machining integrated, intensity is more secure, apply for long time cycling.
This highly efficient narrow, wide chainring will grip the chain perfectly, prevent chain drops.
Anodic oxidation electroplating, keep medals smooth surface not faded and corrosion resistance.
The positive tooth corresponding chain tooth width; tooth corresponding negative chain is narrow.

Specifications:
Material: Aluminum Alloy
Color: Black
Types: 32T, 34T, 36T, 38T
Product Size(about): 104 mm
Package Included:
1 x Bicycle Chainring
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.