The Shimano FC-R9200 Dura-Ace 172.5mm 52x36 12-speed Crankset delivers exceptional power transfer and precision in a lightweight package. With advanced HOLLOWTECH technology, the hollow-forged crank arms minimise weight without sacrificing strength or rigidity, reducing rotating mass for faster acceleration. The HOLLOWGLIDE outer chainring further enhances performance by combining a lightweight, rigid structure with efficient power transfer, resulting in quicker, more accurate front shifts.Features:- Optimal balance of stiffness, strength, weight and rotational performance- HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting- Model No: FC-R9200- Series: DURA-ACE- Rear speeds: 12- Compatible chain: HG 12-speed- Chain line (mm): 44.5- P.C.D. (mm): 110

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