I ordered three different sets of these risers and not one measured out to be what it said it was in the description. The 37mm risers were 29mm from the top of the clamp to the bottom of the bar . The 40mm riser was 35mm and I am not sure if i ever got the 42mm or if the "40mm" riser was just shipped to me a second time. The tech/customer support was in the form of email stating if the product wasn't the size you were looking for, order the larger one.I paid shipping on them to and from times 2.5. They do look good and the price was reasonable before all of the shipping cost. I guess that is a plus
The description tells you what size these bar risers are (47mm), however, it doesn't tell you how much taller they are than stock. nor how tall the stock ones are. I'm here to tell you that these bar risers are only 15mm taller than stock.