Check the listing for details. Wolf Tooth Oval 104 BCD Chainrings. Condition: New. Listed at 71.95 USD. Product DescriptionThe Wolf Tooth Oval 104 BCD Chainrings are designed to provide optimal performance and chain retention for your bike. With a patented wide/narrow tooth profile, these chainrings offer excellent mud shedding ability and chain security.Key Features: Chainline (approximate): 48mm on 3x cranksets, 49mm on 2x. Compatibility: Fits any 104 BCD crankset. Designed for E-bike use. . Chainring bolts: 104 x 32T - use 10mm bolts. 104 x 34T, 36T - use 6mm bolts (unless using a Bash ring). . For 1x9, 1x10, 1x11, and 1x12 drivetrains (including Eagle). Compatible with Quarq power meters (filing may be required for certain sizes). Threaded for M8 chainring bolts (no nuts required). Ovality of 10% and timing of 112° after TDC. Maximum diameter is that of a chainring 2t.