Shimano Part Number: Y1YS11000
Replace your worn or damaged smallest cassette cog with this genuine Shimano 11-tooth replacement sprocket. Featuring Shimano's built-in spacer design, this OEM replacement restores crisp shifting and extends the life of your cassette without the expense of replacing the entire cluster.
Manufactured from hardened steel to Shimano's exact specifications, this replacement 11T sprocket delivers smooth, reliable shifting and long service life.
Compatible with selected Shimano 10-speed cassettes, including:
Shimano Part Number: Y1YS11000
Important: Compatibility depends on your cassette's tooth combination and sprocket group. Please check your cassette model and exploded diagram before purchasing if unsure.
✔ Genuine Shimano products
✔ Fast Australian dispatch
✔ Experienced bicycle mechanics
✔ Carefully packed for safe delivery
✔ Trusted Australian Shimano dealer
If you're unsure whether this sprocket is the correct replacement for your cassette, send us your cassette model number or a photo, and we'll happily confirm compatibility before you purchase.