Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutTitle=SwissStop Catalyst One centerlock Rotor Store in handlebar with EnCase Model Name-Charger Lock On

Shimano Dura Ace FC R9200 12 Speed Chainring 40t Asymmetric 110 BCD BLK NJ CheckoutTitle=SwissStop Catalyst One centerlock Rotor Store in handlebar with EnCase Model Name Charger Lock On Store in handlebar with EnCase Storage Sleeve Good forefoot flexion for classic style and stiff rear part for perfect torsion to flexion rigidity ratio Compatible with HG 12 speed chains Color Black Ring Position Type Inner Tooth Count 40 Round or Oval Round Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Size 40T Shimano 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