Four-piston gravity brake for the most demanding applications. Gravity and e-bike use recommended. Delivers maximum power with no compromise while super-smooth lever action and premium construction make controlling the power feel natural Tech 4 Evo levers allow reach and bite point adjustment and feature a new cam design that decreases free lever stroke while maintaining the feel and modulation in the braking zone Exchangeable EVO lever blades feature an increased hook for greater control and security and a new dimple design in the contact area improves comfort while retaining grip A bleed port has been added to the master cylinder body to allow bleeding without removing the lid One piece 4-piston caliper, now with 6% larger pistons than the V4 brake Includes: lever assembly, pre-bled (black) hose with stainless fittings, (74mm) caliper Black plastic hose comes standard. Use HT-1050 for upgrade to braided stainless steel hose Brakes come cut to front/rear general length but do not include extra fittings if lines need to be trimmed or internally routed. Use HT-1035 (olive), HT-1036 (insert), and HT-1037/8 (copper washer) Not compatible with vented rotors *Rotors and adapters sold separately TECH SPECS table{border-collapse:collapse;width:auto;max-width:100%;} td{text-align:left;padding:12px;font-weight:350;word-wrap:break-word;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Tech4 Evo GR4 Kit (Hose Length) Left/Front Caliper Post Mount 74mm Rotor Separate Fluid DOT Color Silver/Blk Weight -