Imagine you are a management consultant hired by Bow Cycle, a retail store specializing in cycling equipment. How would you address the following challenge?
Bow Cycle is looking to expand its product offerings to attract a wider customer base. Which of the following options would be the most effective strategy for Bow Cycle to achieve this goal?

A. Increase marketing efforts to promote existing products
B. Collaborate with local cycling clubs to offer exclusive discounts
C. Expand the range of bike brands and models available
D. Provide personalized bike fitting services for customers
Please choose the most appropriate option and explain your reasoning.