Stronglight FC-R8100/7100 12-Speed Chainring for Shimano
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The Stronglight FC-R8100/7100 12-speed chainring is an inner chainring for Shimano Ultegra FC-R8100 and 105 FC-R7100 cranksets with a pitch circle diameter of 110 mm. Made from 7075 aluminium with 4 asymmetric arms, it is a replacement 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 gear ratio you want and check that your setup matches the listed compatibility. The pack contains 1 chainring; manufacturer code 262150 corresponds to the 34-tooth version (ratio 34-50).
| Type | Inner chainring |
|---|---|
| Speed | 12-speed |
| Pitch circle diameter (BCD) | 110 mm |
| Arms | 4 asymmetric arms |
| Material | 7075 aluminium |
| Compatibility | Shimano Ultegra FC-R8100, 105 FC-R7100 (12-speed drivetrains) |
| Available teeth | 34, 36, 38, 40, 42, 44 teeth |
| Compatible outer chainring teeth | 48, 50, 52, 54, 56 teeth |
| Pack contents | 1 chainring |
| Manufacturer code | 262150 |