OctaRamp CH-2 105g

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Now you can combine compact cranks and hi-ratio chainrings

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For long lasting performance all rings are fully anodized with a special coating.

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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.

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We recommend to use the OctaRamp CH-2 complete set for a correct ring phase.

Configure

53-39T chainring set.
BCD 110mm.
Compatible with 10-11-12s chains  by Sram-Shima-Campag. 
(not compatible with Sram AXS )
Super accurate 3D cnc, 5 shifting ramps.
Hard black anodized laser etched graphics. 
 

…More Tech Details
129,57 €
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Tech info

Description

53-39T chainring set.
BCD 110mm.
Compatible with 10-11-12s chains  by Sram-Shima-Campag. 
(not compatible with Sram AXS )
Super accurate 3D cnc, 5 shifting ramps.
Hard black anodized laser etched graphics. 
 

Installation Di2 systems

On Di2 systems tune as follows the following parameters on the front derailleur:
- Axial alignment (the tail of front derailleur may want to stay in-line or slightly inward)
- Height alignment (the height of front derailleur may want to be as standard or slightly higher)
- Tune derailleur max and min positions from the left shifter lever

Spare Parts

Spare Parts

OctaRamp CH-2 53T only 74 g

86,09 €

OctaRamp CH-2 39T only 32 g

51,30 €

OctaRamp Pin + Bolt set 1 g

2,61 €