NEW Black Diamond ReVolt 350 Headlamp - Octane variant-size-56 Narrow Wide tooth profiling ensures

Narrow Wide tooth profiling ensures consistent chain retention

Compatible with Surly New hubs (upgrade kit) and Surly Ultra New hubs (replacement kit)

Larger X-SYNC pulleys for increased durability and efficiency

and they are no stranger to the world of electric bikes

NEW Black Diamond ReVolt 350 Headlamp - Octane variant-size-56 Narrow Wide tooth profiling ensuresRunning on the modular Black Diamond 1800 rechargeable battery, the Black Diamond ReVolt 350 is a powerful, versatile and rechargeable headlamp. The ReVolt 350 easily spots anchors while you rappel in the dark while its proximity lighting gives you a large area of light for hiking down the trail. The ReVolt 350 provides lumens with a second switch for easy lens mode selection plus PowerTap Technology makes for instant brightness adjustment settings.