Extralite Octaramp CH-2 rings (53/39)
  1 review

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149,00 €
 
More info

- 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
- 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

Product Reviews
  • Number of Reviews : 1
  • Average Grade : 5 /5
  • F. Stephane
  •  the 28/07/2016
  • 5/5
plateaux légers et usinage tres efficaces pour le chgt de plateaux