Taillights

Enhanced Side Visibility Design. 130 Lumens / 2 Solid & 3 Flash Modes. USB C Rechargeable. Unique Fin Lens Design Provides Enhanced Long Distance Visibility While Creating Generous Attention-Grabbing Side Illumination Features: - 130 Lumens (Daytime Flash) - Three Super Bright CREE LEDs - Finned Lens Design Provides 180 Degree Visibility - LED Charge Indicator - Auto Safe Mode* - Daytime Flash Mode - Up To 22 Hours Runtime - USB C Rechargeable - Aero Post Compatible Bracket Solid Modes: - High (50 Lumens): 1 hr 30 mins - Low (15 Lumens): 5 hrs 30 mins Flash Modes: - Daytime Flash (130 Lumens): 19 hrs - High Flash (75 Lumens): 10 hrs - Low Flash (20 Lumens): 22 hrs - *Auto Safe Mode Extends Runtime Additional 45 mins - Weight: 52 Grams w/ Bracket - Battery: 500 mAh Lithium Polymer

Serfas' Thunderbolt Taillight delivers 35 lumens in an extremely versatile, USB-rechargeable package. Attach the water-resistant silicone body nearly anywhere on your bike, and use the high, low, or two flash modes to make sure cars or cyclists can see you when approaching from behind after dark. At just 50 grams, you won't even notice it's on your bike — but others will!

FEATURES - Super Bright (50 Lumens) *Daytime Flash - Last Mode Memory - Auto Safe Mode - USB Remote Switch Compatible - USB Rechargeable - Up to 19.5 hrs Runtime - Aero Bar Compatible Bracket SPECS - Solid Modes: High (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs - Flash Modes: *Daytime Flash (50 Lumens): 19.5 hrs, High Flash Slow (25 Lumens): 9.5 hrs, High Flash Fast (25 Lumens): 5 hrs, Low Flash (10 Lumens): 13 hrs, Auto Safe Mode Extends Runtime an Additional 45mins - Weight: 40 Grams with Bracket - Battery: 500 mAh Lithium Polymer

Our Brightest Tail Light Yet! Enhanced Side Visibility Design. 350 Lumens / 2 Solid & 3 Flash Modes. USB C Rechargeable. Unique Fin Lens Design Provides Enhanced Long Distance Visibility While Creating Generous 180 Degree Attention-Grabbing Side Illumination Features: - 350 Lumens (Daytime Flash) - Three Super Bright CREE LEDs - Finned Lens Design Provides 180 Degree Visibility - LED Charge Indicator - Auto Safe Mode* - Daytime Flash Mode - Up To 20 Hours Runtime - USB C Rechargeable - Aero Post Compatible Bracket Solid Modes: - High (140 Lumens): 1 hr 30 mins - Low (15 Lumens): 6 hrs Flash Modes: - Daytime Flash (350 Lumens): 19 hrs - High Flash (200 Lumens): 9 hrs - Low Flash (50 Lumens): 20 hrs - Auto Safe Mode Extends Runtime Additional 45 mins - Weight: 52 Grams w/ Bracket - Battery: 1050 mAh Lithium Polymer