Shimano Deore XT FC-M770 Middle Chainring (32T / 104mm BCD)
Restore crisp, effortless shifting to your drivetrain with the genuine Shimano Deore XT FC-M770 32T Chainring. Designed as the dedicated middle ring for 3×9-speed Deore XT cranksets, this replacement component features Shimano’s innovative carbon-composite reinforcement to deliver exceptional rigidity, minimal weight, and maximum wear resistance under heavy pedaling loads.
Key Features
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Steel Tooth Profile: Precision-machined steel teeth ensure maximum longevity and smooth chain engagement, even under load.
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Carbon-Composite Construction: Lightweight composite carrier body reduces rotational weight while increasing lateral stiffness for precise front shifts.
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Hyperdrive Technology: Integrated shift ramps and pins deliver ultra-fast, smooth gear changes across the entire cassette.
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Direct OEM Fit: Genuine Shimano replacement part engineered specifically for FC-M770 cranksets.
Specifications
| Attribute | Details |
| Series | Deore XT (M770) |
| Tooth Count | 32T |
| Position | Middle Ring (for 3x Triple Setups) |
| Bolt Circle Diameter (BCD) | 104 mm |
| Bolt Pattern | 4-Bolt Asymmetrical / Standard |
| Drivetrain Speed | 9-Speed (HG 9-speed compatible) |
| Material | Steel teeth with Carbon Fiber Reinforced Polymer (CFRP) body |
| Color | Silver / Composite Black |
Compatibility
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Crankset: Shimano Deore XT FC-M770 (3×9)
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Cross-Compatibility: Fits most standard 104mm 4-bolt cranksets requiring a 32T middle position ring.
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Chain: Compatible with 9-speed HG chains.





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