SERFAS Cosmo 15 Lumen 3 LED Tail Light closeout Ergonomic thumb control design ensures

Ergonomic thumb control design ensures accurate pressure release

This new Arch is designed to provide traction and control when running 2

microSHIFT's top-of-the-line ADVENT X rear derailleur delivers high-end performance without high-end headaches

Not recommended for rear-wheel use

OT-SP41 reduces inner cable friction to provide quick response to operations and effortless shifting

SERFAS Cosmo 15 Lumen 3 LED Tail Light closeout Ergonomic thumb control design ensuresFeatures: 3 LED Design for Easy Visibility Triple 5 Lumen LEDs IPX3 Waterproof Charges from Dead to Fully Charge in 2 hours Last Mode Memory USB Charging Specs: Solid Modes: High (15 Lumens): 2 hrs Low (7 Lumens): 4. 5 hrs Flash Modes: KITT Flash (5 Lumens): 14. 5 hrs Flash (15 Lumens): 4 hrs Weight: 56 Grams with Bracket Battery: Lithium Polymer