SRAM Force/Rival/Apex 10-Speed Chainring If You Liked it Then You Shoulda Put a Ring on it Much like all the moving parts on your bike, your chainrings will eventually wear out. Worn-out chainrings can cause a reduction in shifting performance and can cause new chains to wear out prematurely. SRAM's road chainrings with 110BCD are available for a variety of SRAM cranks and applications. These aluminum chainrings are optimized to work with SRAM's front derailleur. Features Designed for SRAM Force, Rival, Apex 10-speed cranks Material: Aluminum BCD: 110mm | Sram | Force/rival/apex 10 Speed Chainring | Black | 34 Tooth, Use W/ 50T, 110Bcd | Aluminum