public R18 Disc 2023
Bike details
Key information split into simple groups.
Bike summary
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Frame Steel
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Wheels 700c
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Groupset Sora, Shimano
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Suspension Rigid
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Drivetrain 2 × 9
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Brakes Mechanical Disc
Recommended size guide.
XS
151cm - 164cm
SM
159cm - 170cm
MD
165cm - 177cm
LG
171cm - 184cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
PUBLIC 100% Chromoly steel, with fender and rack braze-ons
Suspension Fork
PUBLIC chromoly hi-tensile blend unicrown disc fork, with fender and rack braze-ons
Drivetrain
Rear Derailleur
Shimano Sora R-3000 9-speed
Shift Levers
Shimano Rapid Plus
Cassette
Shimano 9-speed HG400 11-32 tooth cassette
Crank
Alloy double crankset 46/34 tooth rings (S: 165mm M: 170 L: 175mm)
Pedals
Wellgo M149 full alloy platform and cage, 9/16" axle
Wheels
Front Hub
Alloy hub with bolt-on quick-release skewer
Rear Hub
Alloy hub with bolt-on quick-release skewer
Rims
Alloy double wall, 32H, 700c
Spokes
14G Stainless steel
Tires
Kenda Kwest 700x32c
Brakes
Brakes
Promax mechanical disc brakes with 160mm rotors, with alloy 4 finger lever.
Cockpit
Stem
Alloy, threadless high polish silver, 25.4 clamp (80mm for XS/S/M; 100mm for L)
Handlebar
PUBLIC alloy riser bar, 610mm wide, 10 deg backsweep, 20mm rise
Grips
PUBLIC Slender Grip, with alloy clamps
Headset
1.125" threadless, steel
Seat
Saddle
PUBLIC Premium Sport Saddle, 153mm wide, chromoly rails, with brass rivets
Seatpost
Alloy micro-adjust with integrated clamp, 27.2mm
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG |
|---|---|---|---|---|
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 151 cm | 159 cm | 165 cm | 171 cm |
| Rider Max Height | 164 cm | 170 cm | 177 cm | 184 cm |
About this model
R18 Disc belongs to the Public R18 model. Public released 4 bikes variations of this model so far. Take a sneak peek at all Public R18 bikes models from 2023, by clicking here.
Model range prices
Public R18 Disc 2023 is the most economical model, with a starting price of 899$. Public R18 Drop Bar 2023 on the other hand costs 999$, and is the most expensive model.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Commuter bikes
If you want to purchase a solid Commuter bike, it is important to know that the average cost is 762$. However, even if your budget is less than the average, you might still be able to get a top-quality Commuter bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
At the moment of the release date, Public R18 Disc price was 899$. If we compare this with the average Commuter bike cost we notice that the price is 17.98% higher.
Average weight for Commuter bikes
The average weight for Commuter bikes is 13.77 kg (30.36 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Public R18 Disc it’s weighing 12.25 kg (27.01 lbs). At this weight, is considerably lighter than average. To sum up, it’s 12.41% lighter than the average weight of Commuter bikes.
Overview of components
Fork material
The fork is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels size
When leaving the production line, the R18 Disc model has 700c aluminum wheels. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, with hydraulic disk brakes, you have the ultimate braking power!
Sizes
This bike is available in 4 sizes. They vary from 151 cm – 184 cm (4.95 ft – 6.04 ft). In conclusion, finding one for you shouldn’t be a problem.
