Wolf Tooth Elliptical Direct Mount Chainring - 30t SRAM Direct Mount Drop-Stop B For SRAM 3-Bolt Boost Cranksets 3mm Offset BLK Direct Mount Type-Direct Mount Hope S Lower ZS56 Crown Race

S Lower ZS56 Crown Race 40 Bearing Type Cartridge Color Black S

}Phil Wood R8 Sealed Cartridge Bearing Sold Individually

37 Bolt Mount Diameter 8

8mm weight 162g

}Pedro's Adjustable Wrench: 10"

Wolf Tooth Elliptical Direct Mount Chainring - 30t SRAM Direct Mount Drop-Stop B For SRAM 3-Bolt Boost Cranksets 3mm Offset BLK Direct Mount Type-Direct Mount Hope S Lower ZS56 Crown RaceElliptical shape for improved power transmission Asymmetrical tooth shape for the best wear life, chain retention and mud clearance Fits SRAM and other 3 bolt direct mount cranks Dished ring provides 50mm chainline on GXP or BB30 PF30 long spindle (with15. 4mm drive side spacer) Drop Stop B rings are compatible with 10 11 SRAM 12sp chain and Flat Top Transmission chains. Not compatible with Shimano 12 speed Made in the USA from 7075 T6 aluminum alloy