Garmin Varia eRTL615 Ebike Rear View Radar with Taillight Model=Lightning Bolt Front }CeramicSpeed BSA30 Bottom Bracket -

}CeramicSpeed BSA30 Bottom Bracket - BSA Thread 30mm Spindle Black

Loose ball headset bearing retainers

}Jagwire 4mm Sealed Alloy End Caps Bottle of 50 Black

Weight: 42 g

}Shimano Ultegra R8000 Chainring - 53 Tooth 11-Speed 110mm BCD For 53-39T Combination

Garmin Varia eRTL615 Ebike Rear View Radar with Taillight Model=Lightning Bolt Front }CeramicSpeed BSA30 Bottom Bracket -See and be seen with Varia rearview radar Varia RCT715: Rearview radar with a built in camera that continuously records and automatically saves footage if it detects an incident Varia RTL515: Rearview radar and tail light Varia eRTL615: Battery free E Bike specific rearview radar and tailight It pairs with your Edge bike computer, other Garmin device or compatible smartphone to alert you of vehicles approaching from behind up to 153 yards (140 meters)