OLIGHT RN 120 Bike Lights, 120 Lumens Tail Light 260 Degree Visibility, 1500m Viewable Range, USB Rechargeable Lights 480 mAh Polymer Battery, IPX6 Waterproof, Road and Urban Cyclists bee06 ULTRALIGHT AND STURDY: Ultralight Shaft

ULTRALIGHT AND STURDY: Ultralight Shaft made of aircraft grade 7075 aluminum alloy

it doesnt matter

there's a good chance that they are banging around inside

100% graphite shaft shaft

perfect for backpacker

OLIGHT RN 120 Bike Lights, 120 Lumens Tail Light 260 Degree Visibility, 1500m Viewable Range, USB Rechargeable Lights 480 mAh Polymer Battery, IPX6 Waterproof, Road and Urban Cyclists bee06 ULTRALIGHT AND STURDY: Ultralight ShaftOLIGHT RN 120 Bike Lights, 120 Lumens Tail Light 260 Degree Visibility, 1500m Viewable Range, USB Rechargeable Lights 480 mAh Polymer Battery, IPX6 Waterproof, Road and Urban Cyclists OUTPUT: CONSTANT Low Mode: 20lm 05: 10h Mid Mode(lm h): 45lm 02: 50h High Mode(lm h): 80lm 01: 30h Auto Break(lm): 120lm FLASH Breathe: 0 80 0lm 02: 50h Comet: 0 80lm 03: 10h Flash: 40lm 10: 00h Interactive: 120lm 20: 00h SMART Day: 10 80lm 16: 00h Night: 30 80lm 02: 50h