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Thunder Mountain Bikes

OC S130 mountain bike chainring with external travel adjust, black anodized finish, 12-speed compatible

OC S130 mountain bike chainring with external travel adjust, black anodized finish, 12-speed compatible

Thunder Mountain Bikes

S Spider B1

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$350.00

Color

Black

Quantity

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SRAM Ochain R Chainring Adjuster - External 12 Rotation, Black

Next-generation Spider design allows chainring to rotate backward for smoother, quieter rides
External travel adjustment lets you fine-tune degrees of travel for different terrains and riding styles
Selectable degrees (3, 6, 9, 12) for precise fit and control
Re-engineered impact resistance and improved sealing for enhanced durability and contamination protection
Consistent natural performance without gear ratio multiplication

Summarized by Shop

From full-on downhill to all-day trail riding, the Ochain S delivers next-level confidence and control for every rider.
Its next-generation spider design lets the chainring rotate backward, decoupling you from pedal feedback forces for a quieter, smoother ride with less chain turbulence, keeping your focus on the trail, not the bike.
The

Model ID: DS Ochain S B1
Chainring Compatibility: Bosch BDU38 CX Gen 5, 104 BCD
Offset: 3 mm
Available Travel Settings: 3, 6, 9, 12 degrees
Color: Black, White
Pattern: Logo, Text

Summarized by Shop

Returns accepted within 60 days

Exclusions may apply. See full policy

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