The SADDLE Ai ALERT 250 REAR BACK CAP SET is a replacement mounting cap with O-ring designed for seamless compatibility with the SADDLE Ai ALERT 250 REAR LED bicycle taillight. This spare cap ensures a secure fit and reliable performance, keeping your rear bike light protected and functioning properly.

• Spare mounting cap
  
• Hardware for SADDLE Ai ALERT 250 REAR
  
• Spare light back cap O-ring