There are four lighting modes (High / Low / Daytime HyperConstant / Flashing) and a mode memory function

Pros: It's extremely durable and lightweight

The Box Two Prime 9 components are suitable for use on e-bikes when used with the single-release shifter

Cons: The profile of the mounting base might struggle to sit flat on helmets with severely peaked angles or ridges

Weight: Approx 70-80g heavier than XX1/X01 cassettes

DHaRCO Men's Long Sleeve Tech Tee - M - Tie Dye eBay There are four lighting modesGiving you the comfy feeling of cotton with the technical features of DriRelease fabric, the DHaRCO Men's Long Sleeve Tech Tee is perfect for both riding and casual wear in cooler conditions. The great thing about DriRelease is that the tech that keeps you cool, dry, and fresh is built into the fibres themselves rather than just applied to the surface. This means that the effectiveness of the material won't reduce over time as the treatment won't wash