Public R18 Disc
Public R18 Disc
- $899
- Rigid
- 700c
- 2 × 9
- 394%
- 12.25
- Steel
- Mechanical disc
Rider height by size (cm)
Size guide- XS
- SM
- MD
- LG
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
-
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
-
Cassette
CS-HG400
-
Crankset
Alloy double crankset 46/34 tooth rings (S: 165mm M: 170 L: 175mm)
-
Front derailleur
FD-R3000R-3000
-
Rear derailleur
RD-R3000R-3000
-
Shifters
Brakes
-
Brakes
Wheels and tires
-
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
Cockpit and contact points
-
Grips
PUBLIC Slender Grip, with alloy clamps
-
Handlebar
PUBLIC alloy riser bar, 610mm wide, 10 deg backsweep, 20mm rise
-
Headset
1.125" threadless, steel
-
Pedals
-
Saddle
PUBLIC Premium Sport Saddle, 153mm wide, chromoly rails, with brass rivets
-
Seatpost
Alloy micro-adjust with integrated clamp, 27.2mm
-
Stem
Alloy, threadless high polish silver, 25.4 clamp (80mm for XS/S/M; 100mm for L)
Other components
-
Fenders
Polished silver, 47mm alloy fenders (F/760mm, R/1230mm)
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Steel
- Fork material
-
- Steel
- Bicycle weight
-
- 12.25 kg
- 27.0 lb
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 2
- Smallest chainring
-
- 34
- Largest chainring
-
- 46
- Rear sprockets
-
- 9
- Smallest sprocket
-
- 11
- Largest sprocket
-
- 32
- Lowest gear
-
- 30.8 in
- Highest gear
-
- 121.3 in
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Mechanical disc
Fit and controls
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Tire width
-
- 32c
- Travel
-
- Front: Additional specification: Not available: Yes
- Wheel material
-
- Aluminum
- Wheel size
-
- 700c
Gearing
This bicycle
- 11.8
- 46.4
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2026 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
