Check the listing for details. Wolf Tooth 104 BCD Chainring - 32t, 104 BCD, 4-Bolt, Drop-Stop B, Black. Condition: New. Listed at 59.95 USD. Featuring the proprietary mud clearing Drop-Stop tooth design, these rings are designed to fit any 104 BCD crankset. Made in Minneapolis, MN with exceptional chain retention in mind, these chainrings are best paired with a clutch-style rear derailleur.Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains. Compatible with all 10-, 11-, and 12-speed chains, with the exception of 12-speed chains. 12-speed chains require the use of Wolf Tooth's 12-speed specific chainrings. If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention. Use of a clutch-style rear derailleur is recommended. Made from 7075-T6 aluminum for long life. Item Specifications: Color, Black, Ring Position/Type, Chain SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! 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