Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ MFPN=WTRC140DRFWCA26170 Suitable for all bicycle handlebars

Suitable for all bicycle handlebars

protection gear (stowable)

or closer to the rider's hand than is ideal for most riders

Compatible with long cage derailleurs

Intended use: loose loose over hard medium wet Flat Protection Sidewall TPI 60 Color Black Weight 924 Defined Color Black ISO Width (mm) 58 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ MFPN=WTRC140DRFWCA26170 Suitable for all bicycle handlebarsShimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Color Black Ring Position Type Outer Tooth Count 54 Round or Oval Round Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Size 54T