Description Are you looking for a professional, yet affordable 8-speed Flywheel? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional 9-speed Flywheel must meet you needs. It is one of the best choices for you. Features -Color: Black Brown. -Material: Metal. -Size: About 12x12x2 cm4.72x4.72x0.79inches. - Made of premium material for durable use. - Smooth rotation without too much noise, brings you a comfortable working condition. - The bike cassette provides fast cycling and reduces the amount of required workload. - High performance and fine workmanship, more utility. - A great 8-speed flywheel for bike. Made of premium material for durable use |Smooth rotation without too much noise, brings you a comfortable working condition |The bike cassette provides fast cycling and reduces the amount of required workload |High performance and fine workmanship, more utility |A great 8-speed flywheel for bike