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Fit for:
Apollo RFN
Beta Explorer - Colour: Black / Red
- Surface: Anodized
- Condition: 100% New, never mounted.
- Made of 6061 aluminum alloy for durable and lightweight.
- Function: Move the axle block forward or backward to adjust the sprocket tension.
- Novel shape, enhance beauty.
- Added adjustment scale lines.
- Sold in pairs.