Fit for:
Apollo RFN
Beta Explorer

• Built from sturdy 6061 billet aluminum. Specially designed for e-bike application.
• Surface Treatment: Anodized.
• All of our products have been good tested before, quality guaranteed.
• Easy to take up and down, not to wear the body, can use with the frame.
• The product adds adjustment scale lines and move the shaft block back and forth to adjust the sprocket tension.
• It is easy to install without instructions.
• Includes: 1 Pair (Left+Right).