Hotrod 50 USB Kask though it is designed to

though it is designed to work flawlessly with any flat pedal

J bend Double Butted Spokes w/ Alloy Nipples

and performance

Highlights Slip-on embossed neoprene cuff offers maximum durability

Hotrod 50 USB Kask though it is designed to50 lumen flash output 1: 30~ 100 hr run time Micro USB rechargeable Highly visible radiant light from inline array of LEDs Sleek low profile design 6 lighting modes: Steady High Flash SteadyPulse Zoom Low Flash Group Mode Low battery indicator for power awareness Pedestrian friendly Zoom mode signals those around you with a gentle change in brightness Rider friendly Group mode provides long lasting, low profile visibility Light mode memory recalls