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Extralite Octaramp CH-2 rings (53/39)
Brand:
- Ratio: 53T + 39T
- Weight: 105gr set
- Material: Ergal 7075T6
- Construction: hyper accurate cnc
- Ramps: 5 cnc with unique 15°profile
- Machined Teeth: 16 external, 23 internal
- Compatible: Road compact standard 110m BCD, compatible with : Shimano/Campagnolo 10/11/12s, Sram 10/11s
- Finishing: "Hart Coat" + Teflon coating
- Graphics: laser etched
- For long lasting performance all rings are fully “Hart-Coated”, additionaly a Teflon coating process reduces chain stiction
- Unique 15° machined chain ramps offer superior chain engaging on 8 different crank positions, this translates in super quick up-shifting performance
- Special machined teeth help both up and down chain shifting
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