Shimano FC-R8100/7100 12-Speed Chainring
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The Shimano FC-R8100/7100 12-speed chainring is the inner chainring for Shimano Ultegra FC-R8100 and 105 FC-R7100 cranksets with a bolt circle diameter of 110 mm. Made from 7075 aluminium with 4 asymmetrical arms, it is a replacement part for those who need to replace the inner chainring without changing the crankset.
The chainrings range from 34 to 44 teeth, and the values in brackets indicate compatible outer chainrings, from 48 to 56 teeth. To choose, consider the gearing you want and check that your configuration matches the stated compatibility. The pack contains 1 chainring; manufacturer code 262150 corresponds to the 34-tooth version (ratio 34-50).
| Type | Inner chainring |
|---|---|
| Speed | 12-speed |
| Bolt circle diameter (BCD) | 110 mm |
| Arms | 4 asymmetrical arms |
| Material | 7075 aluminium |
| Compatibility | Shimano Ultegra FC-R8100, 105 FC-R7100 (12-speed drivetrains) |
| Available tooth counts | 34, 36, 38, 40, 42, 44 teeth |
| Compatible outer chainring tooth counts | 48, 50, 52, 54, 56 teeth |
| Pack contents | 1 chainring |
| Manufacturer code | 262150 |
Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.
Manufacturer
Shimano Inc.
3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan
bike.shimano.com/it-ITproduct-safety.html
EU responsible person
Shimano Europe B.V.
High Tech Campus 92, 5656 AG Eindhoven, The Netherlands
info@shimano-europe.com
Product identifier
EAN 3700223725991 · SKU 660060