evo.com | mountainFLOW Brushes > Sustainability meets bike maintenance with the mountainFLOW Bamboo Drivetrain Cleaning Brush. Crafted from bamboo and recycled plastic, this brush keeps dirt and grime at bay with tough bristles to attack stubborn buildup. Your drivetrain will emerge so clean, it'll practically sparkle - all while keeping a few more plastic bottles out of the landfill. Ergonomic Handle Tough Bristles Stiff bristles to remove the toughest grime from your drivetrain. Made from Bamboo & Recycled Plastic | mountainFLOW Bamboo Drivetrain Cleaning Brush 2025 - | Bamboo/Plastic