CHAINRING OR8 58mm 22T BK/SLCNC machined AL6061-T6 alloy construction. 8, 9, and 10 speed compatible. Available in ramped/pinned and standard styles. Black anodized finish with machined silver teeth. Made in the USA. Item Specifications: Type, Non Ramped, Color, Black/Silver, Mount Compatibility, 58mm 5-bolt, Chain Compatibility, 8/9/10sp, Tooth Type, Standard, Teeth, 22T, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us