Jockey wheel narrow/wide, 16T black, stainless steel bearing

KCNC Narrow / Wide gear wheels made of hard anodized 7075 aluminum. Stainless steel bearings for maximum durability. Campagnolo, Shimano, SRAM X.0, Force and Red compatible. Available in different sizes and different colors. Material: wheel: 7075 aluminumm, bearing: stainless steel