Gross Weight: 164 grams Construction: Aluminum Reach Adjustment: Yes, requires tool Brake Fluid: Mineral Clamp Band: Included Shimano's GRX Groupset ensures superior gravel bike shifting and braking. For off-road rides, disc braking offers more confident and powerful control. These ergonomic and responsive brake levers provide precise braking, ideal for upright riding positions common off-road. Properly positioned, they reduce stress and fatigue on longer rides. Shimano's GRX disc brake levers are an excellent addition to any gravel setup.