Wolf Tooth Direct Mount Chainring - 28t SRAM Direct Mount Drop-Stop A For SRAM 3-Bolt Boost Cranks 3mm Offset BLK CheckoutSpec= 46cm Color Black End Type Shimano/SRAM

Color Black End Type Shimano/SRAM Defined Color Black

}Shimano TL-FC37 Bottom Bracket tool for Ultegra SM-BBR60

Defined Color Black Bottom Bracket Shell I

These rings are threaded use with 10mm chainring bolts

Polyurethane / carbon tensile cords

Wolf Tooth Direct Mount Chainring - 28t SRAM Direct Mount Drop-Stop A For SRAM 3-Bolt Boost Cranks 3mm Offset BLK CheckoutSpec= 46cm Color Black End Type Shimano/SRAMWolf Tooth Direct Mount Chainring 28t SRAM Direct Mount Drop Stop A For SRAM 3 Bolt Boost Cranks 3mm Offset Black. Direct mount rings designed for use with SRAM cranks that utilize their 3 bolt mounting style. This premium 7075 T6 Aluminum Alloy chainring is equipped with the patent pending Drop Stop asymmetrical tooth design for the best in wear life mud clearance and chain retention. Drop Stop chainrings are designed for use with 1x9 1x10 1x11 and