3508 20mm spacers products are offered for sale by suppliers on Alibaba.com, of which wheel adapters & spacers accounts for 13%, wheel parts accounts for 8%.
A wide variety of 20mm spacers options are available to you, such as black, silver and blue.You can also choose from anodized, hard anodized and black anodizing 20mm spacers,as well as from alloy, aluminum alloy, and steel 20mm spacers,