absoluteBLACK Premium Round 110 BCD Road Inner Chainring Shimano Dura-Ace 9100 - 39t 110 Shimano Asymmetric BCD 4-Bolt BLK ModelNumber=1797 }Shimano Dura-Ace BR-R9200-R Road Caliper

}Shimano Dura-Ace BR-R9200-R Road Caliper Brake - Rear Dual Pivot Black

95mm x 104mm

}Rema TT02 Standard Patch Kit: Box of 24

Premium internals: outboard Enduro cartridge bearing inboard igus II glide bearing and double seal system

Knurled end to keep pump from slipping

absoluteBLACK Premium Round 110 BCD Road Inner Chainring Shimano Dura-Ace 9100 - 39t 110 Shimano Asymmetric BCD 4-Bolt BLK ModelNumber=1797 }Shimano Dura-Ace BR-R9200-R Road CaliperabsoluteBLACK Premium Round 110 BCD Road Inner Chainring for Shimano Dura Ace 9100 39t 110 Shimano Asymmetric BCD 4 Bolt Black. absoluteBLACK Premium Round 110 BCD Road Chainrings utilize absoluteBLACKs top tier design features. They are designed for new and old Shimano 4 arm cranks such as Dura Ace 9100 9000 Ultegra 8000 6800 & 105 R7000 and more. Optimized with smooth shifting in mind premium chainrings have a 6 point ramp and recess design.