Sram G8 I9 Internal Hub 21 Teeth Cog Sprocket Silver Rare Hard To Find Last Few

• Last few of these very Hard to find SRAM sprocket for the now discontinued Sram internal hub gear system G8/i9
• This has a 4 tab large fitting which is quite unique
• Silver colour
• For  ½ x 1/8” OR 3/32 chain sizes
• Weight 45 grams (approx)