- ALUMINUM ALLOY CONSTRUCTION Crafted from premium aluminum alloy and stainless steel, this shifter adapter ensures long-lasting performance and resistance to wear and tear. - COMPATIBLE WITH EV BRAKES Specifically designed for Spec EV brakes, this adapter allows for seamless mounting of shifters, enhancing your biking experience. - WIDE MODEL COMPATIBILITY Suitable for a range of brake models including M4100, M6100/6120, M7100/7120, M8100/8120, and M9100/9120, making it a choice for various bikes. - PRECISION ENGINEERING Utilizing advanced CNC cutting and anodic coloring processes, the hollow design not only reduces weight but also adds a sleek aesthetic to your bike setup. - USE SCENARIO: Upgrading a bike with Spec EV brakes Mount a shifter without changing the brake components, improving shifting control on your existing setup. - USE SCENARIO: Building or upgrading across multiple EV brake models Choose a single adapter that covers M4100 through M9120, simplifying upgrades for different bikes in your lineup. - USE SCENARIO: Achieving a lighter, cleaner cockpit The hollow design helps reduce weight and adds a streamlined look to your bike.