Petzl Tactikka Headlamp AMAZON the cassette lock ring is

the cassette lock ring is replaced with a PAS sensor that monitors your pedaling input and adjusts power accordingly

Bi-Tension™ active rand provides forefoot precision

from casual hangout to the jobsite

PRODUCT : #277648 FABRIC : 94% polyester

That’s a good thing because chances are you’re going to want to take another lap

Petzl Tactikka Headlamp AMAZON the cassette lock ring isFor those who spend time observing nature, hunting, or fishing, the TACTIKKA headlamp provides red lighting to preserve night vision while providing stealth. It also casts 300 lumens and a has wide beam that provides close range vision for movement over short distances. TACTIKKA comes with three standard batteries and is also compatible with the CORE rechargeable battery, with its HYBRID CONCEPT design. Description Compact and lightweight: only 82 g