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Shimano
SHIMANO M9100 10T&12T 12s Sprocket Wheel Cog Set M8100/M7100/M6100 Useable Y1X498030
SHIMANO M9100 10T&12T 12s Sprocket Wheel Cog Set M8100/M7100/M6100 Useable Y1X498030
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$28.99 USD
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SHIMANO 12-SPEED 10T & 12T SPROCKET SET
GENUINE REPLACEMENT SPROCKET SET FOR MICRO SPLINE CASSETTES
Restore smooth shifting and power transfer on your Shimano 12-speed drivetrain with genuine replacement sprockets. High-speed 10T and 12T cogs naturally experience the most wear from high-torque riding; replacing them extends the overall lifespan of your 10-51T cassette.
FEATURES
- Genuine Shimano Small Parts: Factory replacement 10T and 12T sprocket set engineered for precise shifting performance and ramp alignment.
- Broad 12-Speed Compatibility: Designed for XTR CS-M9100 and fully compatible with DEORE XT CS-M8100, SLX CS-M7100, and DEORE CS-M6100 10-51T cassettes.
- Hyperglide+ Technology: Precision tooth profiling ensures seamless upshifts and downshifts under heavy pedaling load.
- Cost-Effective Maintenance: Replaces worn smallest cogs without the need to purchase an entire expensive cassette assembly.
- OEM Bulk Packaged: Factory-fresh genuine components delivered in workshop packaging.
- Brand: SHIMANO
- Model / MPN: Y1X498030
- Tooth Count: 10T & 12T (Matched Pair/Set)
- Cassette Compatibility: Shimano 12-Speed 10-51T Cassettes (CS-M9100, CS-M8100, CS-M7100, CS-M6100)
- Freehub Body Interface: Shimano Micro Spline
- Packaging: Genuine Shimano Workshop / Bulk Packaging
Q: Can I use this sprocket set on DEORE XT, SLX, or DEORE 12-speed cassettes?
A: Yes! While originally listed under XTR, MPN Y1X498030 is fully compatible with Shimano CS-M8100 (XT), CS-M7100 (SLX), and CS-M6100 (DEORE) 10-51T 12-speed cassettes.
Q: Are the 10T and 12T sprockets sold together?
A: Yes, this genuine Shimano repair part (MPN: Y1X498030) comes as a paired set containing both the 10T and 12T outer sprockets.
Q: Why should I replace only the 10T and 12T sprockets?
A: Because small cogs have fewer teeth to distribute chain load, they wear faster than larger cogs. Replacing worn 10T and 12T cogs eliminates chain slipping under heavy sprinting or descending without replacing the whole cassette.
- Processing Time: Ships within 24–48 hours from our California warehouse.
- Delivery Time: Standard shipping usually arrives within 3–7 business days across the US mainland.
- Tracking: Tracking information will be emailed immediately once your package is dispatched.
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