OctaRamp CH2 105gr.
Now you can combine compact cranks and hi-ratio chainrings.
Ratio: 53T + 39T.
Weight: 105gr set.
Material: 7075 T6.
Construction: hyper accurate cnc.
Ramps: 5 cnc with unique 15°profile.
Machined Teeth: 20 external, 33 internal.
Compatibility: Shimano and Campag. 10/11/12s chains, Sram 10/11s.
Bolt pattern: fits both "hidden-bolt" and classic 5 bolts cranks.
Standard: Road compact standard 110m BCD.
Finishing: Hard Black Anodized.
Graphics: laser etched.
For long lasting performance all rings are fully anodized with a special coating.
Unique 15° machined chain ramps offer superior chain engaging on 5 different crank positions, this translates in super quick up-shifting performance.
Special machined teeth help both up and down chain shifting.
We recommend to use the OctaRamp CH-2 complete set
for a correct ring phase.
Equip your chainrings with Extralite's jewelry.
See ExtraBolt page!
100% made in Italy