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Every DBB bicycle hire in Belgrade comes with a free bike fit. Here we explain how our sizing system works

New bikes are sold in fixed sizes, such as S, M, L or 50, 52, 54. These numbers used to represent a certain dimension of the frame in centimeters, but today they are more of an abstraction. Anyway, the difference between adjacent sizes is usually a couple of cm.

On top of that, the manufacturer makes a choice of components: the neighbouring sizes may have e.g. 9 and 10 cm stems (or the same one).

The above two factors affect how the bike fits the most, finer details aside.
Traditionally, the range of stems that could be used on a road bike had been rather narrow. If a bike was too big, you could replace the stock stem with an 8 cm one — but shorter than that would make the steering twitchy. So, you could make a one-size smaller or larger bike fit and ride well, but maybe not two sizes.

Same went for setback and extension range of the seat post (affecting delicate weight distribution between tyres) and handlebar width, which used to be more critical for the “balanced” position of the past.
Modern gravel (and even some road) bikes are different. Their slacker geometry works with a wider range of stems; wider tyres allow for looser weight distribution; and the resulting contemporary “forward” position tolerates more bar widths.

Based on our knowledge, we have carefully chosen the bike models and the full range of swappable components that allow us to tailor a bicycle to you rather than choose a ready-made size — without compromising bike handling (or the looks!)
We offer three sizing options
1. PRO BIKE FIT. If you happen to have a fit sheet, handed to you by your bike fitter, just send it to us
It’s crucial to make sure the listed frame standover is not too high for you
We will install a stem of the right length and angle, and at the right height
2. MEASURES REPLICATION. If you have a bike that fits you well, please send us a photo of your saddle and take two measurements
SHBB. Saddle Height to Bottom Bracket
Start from the middle of the saddle, aligning the zero mark with its top
Measure to the centre of the bottom bracket. Here, the distance is 75 cm
RSRB. Reach from Saddle Rear to Bar
Start from the rearmost point of your saddle (half-cm tolerance is okay)
Measure to the centre of the handlebar. Here, the distance is 78.5 cm
3. TABLE-BASED. If you don’t have a bike, we’ll ask how tall you are
We will do the pre-fitting based on your height and our statistical tables
Then we'll take your measurements on-site and make the final adjustments

Eugenia
Do you have questions left? Reach out to me on Telegram, WhatsApp, Viber, or at e@dbb.rs — or fill in the form below, and we’ll get back to you
All our rental bikes again:
Open U.P. • 7.5 kg
Sizing: for 160–192 cm riders
More road than gravel • Lower bar
Open WI.DE. • 7.8 kg
Sizing: or 158–190 cm riders
Road-gravel balanced • Medium bar
Open WI.DE.R. • 8.3 kg
Sizing: for 162–194 cm riders
More gravel than road • Higher bar