Alloy Black Bike Seat Clamp Saddle Bolt 31.8mm + Carrier Rack Mounts 40 Grams

31.8mm alloy seat-tube clamp with rack mounts so you have the option to mount a carrier rack to your bikeTop lip to prevent clamp from going further down seat-tube12mm depthM6 securing bolt, with provision for M5 carrier rack screwsSatin black finishLightw