Hello,
I have a question regarding the seat post. I see that in certain orders there are seat lost with 15mm offset or 0mm offset and I don't know what it mean. Can somebody help me with this please ?
An other question is about the bars width. My shoulder are 400, so I must order a 400 or a380 as the measurement is taken in the middle of the bars ?
Thank you again !
Dam
Good morning,
Seatpost offset (0, 15, or 25mm) refers to how far the seatpost head—where you attach the saddle—is set back.
In other words, it is the distance between the center of the seatpost tube and the center of the saddle clamps.
To determine which one is best for you, the ideal approach is to have a professional bike fit. This small difference (which positions you further forward or backward) will influence your knee position relative to the pedal spindle when the crank is at the 3 o'clock position. It also affects your overall reach and position relative to the handlebars.
Regarding handlebar size, while the literature suggests what you mentioned, the current trend is that many riders are now using even narrower bars...