Hydraulic Brake upgrade on Jansno X50 May 12, 2024 / b_richardson Link to Zoom 4 Piston Hydraulic Brakes with 2 pin motor off switch: https://amzn.to/3WGHqAX Ebikes 4 piston zoom brake on ebikeebike brake upgradejansno modsJansno X50jansno x50 hydraulic brake upgradepre-bleed zoom 4 piston brakeszoom hydraulic brakes on ebike Previous post Handlebars & Suspension UPGRADE Mods on Jansno X50 eBike – Cargo Bag Next post Evercross EK30 eBike – Honest Review