Shimano Dura-Ace CS-R9200 Cassette - 12-Speed 11-34t Gray MFPN=AAD2583 8mm Clamp +/-0 Red

8mm Clamp +/-0 Red

Compression and midvalve circuit offer increased support and control

}SRAM XX1 Eagle Ceramic Bearing Pulleys and Grey Inner Cage

2mm Aluminum Chainring Spacer Bag/20

Shimano Dura-Ace CS-R9200 Cassette - 12-Speed 11-34t Gray MFPN=AAD2583 8mm Clamp +/-0 RedShimano Dura Ace CS R9200 Cassette 12 Speed 11 34t Gray. The uninterrupted shifting experience of the Shimano Dura Ace R9200 12 speed cassette range lets you climb sprint and push your limits without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up