EFORCAR(TM) Adjustable Mountain Bike Bicycle Cycle Prop Side Rear Kickstand Parking Rack Bicycle Accessories(White). It is suitable for mountain, road bike, folding bike-fixed all tubes!. Waterproof and wear-resisting, durable to use. Made of aluminum alloy material. Fit for 24"-27" wheel diameter bicycles. Adjustable length: approx. 34.5-40cm/13.6-15.7".