• New, Rare, SRAM / Truvativ  1x9/10-Spd, Down Hill, Single Speed, BMX or more, 36T x104BCD alloy  chainring with GXP Direct Mount spider.
• 104bcd, will work with 9 & 10-Spd chain widths.
• 125 grams/4.3oz.
• CR3581.
• FREE shipping in the USA.