Shimano Tiagra Front Chain Wheel (175-mm 50/39/30T 10 Speed)
- Hollowtech-II (HT2): bottom bracket spindle integrated with right crank for increased rigidity, left arm mounts to splined spindle
- Anodized surface treatment
- Shimano Reference Number: FC-4603
Anodized surface treatment, Hollowtech II design and 10 speed compatible.
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