Deore XT SM-CRM81 Goggles It features a dual-density design

It features a dual-density design that pairs cork with EVA foam tape

Unstrung balance (pts) : -3

This technology will break down and remove the grease

Control / burn time: 3 Modes: 5 hrs Constant / 30 hrs Blinking / Horn

Reflective accents on the front and back help improve visibility in low-light conditions

Deore XT SM-CRM81 Goggles It features a dual-density designShimano Deore XT quality to complete your 1x11 speed drivetrain. Carbon fiber reinforced polymer chainring with stainless steel teeths makes a very stiff, light and durable chainring. Tooth profile is designed to improve chain retention. Designed to be paired with the FC M8000 crankset. Compatible with 1x10 and 1x11 speed drivetrains. BCD is 96mm.