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The STRONGLIGHT CT2 Shimano Ultegra/105 R8100/R7100 inner chainring is a high-performance road chainring that is both robust and precise, thanks to its construction combining precision-machined 7075-T6 aluminium with CT² technology: a ceramic coating impregnated with a layer of Teflon.
The ceramic increases the chainring’s hardness and lifespan while improving its abrasion resistance. The Teflon reduces the chain’s coefficient of friction by more than 80%, reducing noise, friction and the need for lubrication, while optimising shifting between chainrings.
Combining strength, light weight, precision, efficiency and ease of use, this CT2 inner chainring is designed for 12-speed Shimano Ultegra 8100 and 105 R7100 cranksets with a 110 mm bolt circle diameter (BCD).
Choose the tooth count based on the matching chainring shown below.
| Chainring tooth count | Matching outer chainring |
|---|---|
| 34 teeth | 48 or 50 teeth |
| 36 teeth | 50 or 52 teeth |
| 38 teeth | 52 teeth |
| 40 teeth | 54 teeth |
| 42 teeth | 54 teeth |
| 44 teeth | 56 teeth |
Overall rating: 5.0 / 5 from 1 reviews.
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"Ottimo prodotto ricevuto anche in tempi brevissimi"