Shimano CS-R8101/8100 12-Speed Cassette Cog - 12t (E) Built In Spacer Type
Shimano CS-R8101/8100 12-Speed Cassette Cog - 12t (E) Built In Spacer Type

Shimano CS-R8101/8100 12-Speed Cassette Cog - 12t (E) Built In Spacer Type

SKU: FW0348

Regular price
$17.43
Sale price
$17.43
Regular price
$22.20
Expected Ship Date: Mon May 25
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Description
Shimano replacement cogs for CS-R8101 CS-R8100 and CS-R9200 12-speed cassettes.
  • Compatible with Shimano Ultegra CS-R8101 Ultegra CS-R8100 and Dura-Ace CS-R9200 cassettes
    Tooth Count 12
    Cassette Body Type Shimano HG 11/12-Speed Road
    Drivetrain Speeds 12
  • Product Images Disclaimer
    Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us and we’ll be happy to confirm.

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    Born from a lifelong passion for all things bikes, AMG Cyclery is a small, family-run bike shop and community hub in Seaside, California. Founded by Alex and Alisa Gonzales, we believe cycling is for everyone — whether you’re chasing personal bests, heading out for a Sunday cruise, or just discovering two wheels for the first time. We build bikes that fit your style, service them with precision, and welcome every rider who walks through our doors. With a focus on community, craftsmanship, and riding culture, our shop has even been featured on The Radavist — a reflection of the unique bikes and vibrant energy you’ll find here.