absoluteBLACK 104 Oval Chainring 104BCD 34T Black

Oval rings help the rider to spin smoother and more efficiently- Example: 32t is equivalent to 30t at dead spot and 34t at the power zone- Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind- Fits 104/64 BCD 2X crankset and converts into single ring- Not Shimano 12 speed compatible- Designed in UK, manufactured in Poland- 32t chainring (AI-4070 through 4072) has built in 2mm spacers and threaded holes. Use 6mm long minimum bolts to thread directly in to the chainring- 30t chainring includes (2) M8 T30 aluminum Torx bolts, (2) M5 T25 steel Torx bolts and (2) eccentric spacers to fit 104 BCD spider