Motorcycle Stem Nut Clock Japanese Models made in Europe using high quality Japanese movement not chinese - necessary with some vibrating biks easily attatches with hidden allen key .
The Stem Nut Clock comes in various sizes to fit all bikes, stem nuts are approximately sized as follows:
27mm: Mostly Yamaha models. Some Kawasaki models
30mm: Mostly Honda and Suzuki models.
39mm: Some Kawasaki models.
Different model years have different size stem nuts so please check to be sure which one fits your bike.