LIFETIME WARRANTY Aircraft grade aluminum plate and mounting hardware. Powder coated and anodized finish for maximum durability. Stainless steel screws and washers. Fits most tubular pannier racks up to 18mm and 20mm racks with optional latch. Compatible with racks offset for exhaust with optional aluminum extension. Designed for Rigg Gear Hurricane and Sierra saddlebags. Works with our Sierra and other dual sport saddlebags with optional strap. Accommodates most aftermarket soft panniers. Lockable release latch (lock sold separately). Sold as a pair. Can be hard mounted to most plastic hard cases. Rotopax Ready. 30 lb. weight limit or the weight limit of your pannier rack (whichever is lesser)