Lezyne KTV Drive Headlight - Black ModelNumber=K6080 and the neoprene cuff seals

and the neoprene cuff seals out snow without bulk

5mm BCD Direct Mount SRAM 3 Bolt Crank Spindle Diameter 28

up to an impressive 100-hour max runtime

rails I-Beam top Kevlar color black/gray LxW (mm) 247x129 weight 217g

Lezyne KTV Drive Headlight - Black ModelNumber=K6080 and the neoprene cuff sealsLezyne KTV Drive Headlight: Black. The Lezyne KTV Drive Headlight features two bright LEDs and a 200 lumen Daytime Flash mode. It features a super lightweight yet durable co molded construction that is IPX7 (waterproof) rated. Up to 20 hours of runtime and up to 200 lumens. And it features an integrated USB stick for convenient cable free recharging. Run time: 2 20 hrs. Max lumens: 200 Provides 200 lumens from two ultra bright LEDs Headlight mount