Offering an easy upgrade to smooth your pedal stroke and leave 1x chain retention issues behind, the 30-tooth absoluteBLACK Oval 104 BCD chainring is designed for use with all 104 BCD cranks.
Features
Designed for use with all cranksets with a 104 BCD interface and 48 mm chainline, including Shimano, SRAM, Race Face and FSA
Patent-pending narrow/wide tooth profile helps keep your chain in place; 3D-machined tooth profile also sheds mud and offers quieter operation
Oval shape helps reduce stress on knees without changing your ride feel; also helps maintain a better cadence while climbing
Ovality is optimized for each chainring size, ranging from 10.2 to 14.4%, with timing of 110.5 to 116.3° after top dead center (TDC)
Crafted from CNC-machined 7075 aluminum with an anodized finish for excellent weight-to-strength ratio and exceptional durability
Compatible with all cranks with a 4 x 104 BCD interface, including Shimano XT, Zee, Deore, SLX and XTR; Race Face Sixc, Ride, Chester and Respond; FSA; E13; and more
Compatible with 9-, 10-, 11- and 12-speed SRAM Eagle drivetrains
30-tooth chainring has built-in 2.5 mm spacers and threaded holes (M8 / M5) to accommodate this size on a spider