diamant 139 2023
2023 Urban
Estimate price |
2,159$
Weight | 13.8 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Alfine, Gates CDN -
Suspension Rigid -
Drivetrain Belt Drive, Internally Geared Hub -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
MD
164cm - 177cm
LG
174cm - 187cm
XL
185cm - 197cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Smooth Aluminum, internal cable routing, drive belt compatible, post mount disc brake mount
Suspension Fork
Rigid fork, aluminum
Drivetrain
Shift Levers
Shimano Alfine S7000, 8-speed
Cassette
Gates CDC CenterTrack, 24 Z.
Crank
Gates CDN for drive belt, 50 T. 170 mm crank arm length VP BC73C, 68 mm, threaded
Bottom Bracket
BSA, 73mm, threaded
Chain
Gates CDN CenterTrac
Pedals
Non-slip aluminum pedals with reflectors
Wheels
Rims
Bontrager Connection, hollow chamber rim, 32 holes, 20 mm inner width, Presta valve
Brakes
Brakes
Shimano MT200 hydraulic disc brake
Cockpit
Stem
Bontrager Comp, 31 8mm, Blendr compatible, 7 degree, 80mm length
Handlebar
Bontrager, aluminum, 31.8mm, 15mm rise, 720mm width
Seat
Saddle
Brooks C17 Cambium Bold
Seatpost
Bontrager, aluminum, 27.2mm, 12mm offset, 330mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.608 mm | 1.647 mm | 1.658 mm |
| Front Center | 64 mm | 63 mm | 66 mm |
| Rake | 6 mm | 3 mm | 5 mm |
| Trail | 117 mm | 117 mm | 112 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 450 mm | 500 mm | 550 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° |
| Bottom Bracket Drop | 7 mm | 7 mm | 7 mm |
| Wheels | 700 | 700 | 700 |
| Rider Min Height | 164 cm | 174 cm | 185 cm |
| Rider Max Height | 177 cm | 187 cm | 197 cm |
About this model
139 completes the Diamant 139 model. 1 bike variation carries this model name so far.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Commuter bikes average price
According to our math, the average price for a trustworthy Commuter bike is 762$. However, even though the average price of a Commuter bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, Diamant 139 price was 1931$. If we compare this with the average Commuter bike cost we notice that the price is 153.41% higher.
Commuter bikes average weight
On a deeper look, we notice that the average weight of a Commuter bike is 14.29 kg (31.5 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
With a weight of 13.8 kg (30.42 lbs), Diamant bike is slightly lighter than average. In conclusion, the average Commuter bike weighs 3.55% more than 139.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
Overview of components
Fork material
The fork on this bike is made out of aluminum, so there won’t be much extra weight added to the bike. However, they are not so stiff as carbon forks are.
Wheels size
The wheels on 139 are the 700c aluminum type. These wheels are the most used kind for road bikes in general. However, these wheels don’t perform so well when passing over obstacles.
Brakes
When you want to stop the bike in time, the brakes are vital. The 139 has Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
Diamant 139 bike has 3 sizes, in the range of 164 cm – 197 cm (5.38 ft – 6.46 ft). In conclusion, you won’t have a problem finding one that suits you.