A Bike Rack Chain Lock Is Included With The Waterproof Gritrival Bike Covers, ? Perfect Size: The size of the extensive bike covers is L74.8W25.59H38.58 inch, which is suitable for one bike. The size of the extra-large bike cover is L78.7W27.6H43.3 inch, which is ideal for two bicycles or a motorcycle cover waterproof. (Please choose the appropriate size when placing an order). ? Upgraded Material: The rain cover is made of a new upgraded tear-resistant Oxford Fabric. The coating material is waterproof, sun-proof, UV resistance, heat-insulated, and cooling, which can effectively deal with complex weather and comprehensively protect your bicycle. ? Safe Anti-theft: The rear windproof buckle prevents the wind from dispersing and is easy to use. The front aluminum ring lock is stainless. The inner diameter of the ring lock is 1.57In. The chain lock can be easily fixed to achieve the anti-theft effect. ? portable and convenient: The storage bag is designed with velcro, which can be fastened to the bicycle beam or neatly placed in the basket during travel. It is convenient to use as it can be easily folded into a portable size and put in a storage bag when not in use. ? 180 days Guarantee: Gritrival is a professional manufacturer. You just click the button BUY NOW, then we will solve your problems within 12 hours. Includes 1* bicycle rain cover, 1* storage bag, 1* 43.3In bicycle lock. Gritrival provides a 180-day long-term after-sales guarantee.