Sales levels of spokes mountain bikes are rising rapidly, profits are very high, and a growing number of competitors are taking aim at spokes' market lead. based on this information, spokes mountain bikes are in which stage of the product life cycle?

growth

Explanation:

Based on the information provided within the question it seems that Spokes mountain bikes are in the growth stage of the product life cycle. This stage of the product life cycle is when a product begins to gain widespread acceptance among consumers and profits grow exponentially. This also causes competitors to notice the success that the product is having on the market and usually makes them decide to manufacture a similar product as competition.