Welcome to our Birdy model naming guide. Pacific Cycles has streamlined their Birdy lineup significantly in recent years. The old naming system (R, GT, City, Classic) has been replaced with a clearer set of models, each designed for a specific rider. Whether you’re looking at a URB, EVO, GV Plus, or R20 — this guide explains what each name means and which one is right for you.
Current Birdy Model Lineup (2026)
Here are all the Birdy models currently listed on Pacific Cycles’ official website, sorted by intended use:
| Model | Best For | Wheel | Drivetrain | Brakes | Key Feature |
|---|---|---|---|---|---|
| URB | Urban commuting | 18″ | Shimano Sora 9-speed | Tektro hydraulic disc | Integrated rolling rack |
| EVO | Premium urban / pavement | 18″ | Shimano Tiagra 10-speed | TRP Spyre mechanical disc | Lightweight 11.5 kg, full suspension |
| GV Plus | Gravel / mixed terrain | 18″ | SRAM X5 10-speed | Juin Tech cable-hydraulic disc | 11.0 kg, Billy Bonkers tires |
| R20 | Road / speed | 20″ | Shimano 105 11-speed | TRP Spyre disc | 20″ wheels for rolling efficiency |
| UD20 | Retro / style-focused | 20″ | Shimano 105 11-speed | Juin Tech disc (silver) | Full CNC silver finish |
| STD | Entry-level / value | 18″ | Shimano 9-speed | Mechanical disc | Affordable Birdy starting point |
| GV | Entry-level gravel | 18″ | Shimano 9-speed | Mechanical disc | Budget gravel option |
| Touring | Long-distance / loaded | 18″ | 24-speed (3×8 hub + derailleur) | Disc brakes | Widest gear range, rack-ready |
| Rohloff | Ultimate touring / durability | 18″ | Rohloff 14-speed hub | Disc brakes | Virtually indestructible gear hub |
| New Classic | Retro purists | 18″ | Shimano 9-speed | Disc brakes | Round tube frame, classic look |
| E-BIRDY | Electric assist | 18″ | Shimano 9-speed + motor | Disc brakes | Electric pedal assist |
How the Old Naming Worked (Legacy)
If you’re buying a used Birdy or reading older reviews, you may encounter the old naming system:
| Old Name | Replaced By | What It Was |
|---|---|---|
| Birdy R | R20 / EVO | Road-focused, high gear ratio |
| Birdy GT | GV Plus | Gravel/trail, disc brakes |
| Birdy City | STD / URB | Urban commuting, balanced spec |
| Birdy Classic (Round Tube) | New Classic | Original 1995 round tube frame |
| Birdy Gen 2 | — | First monocoque frame generation |
| Birdy Gen 3 | Current line | Current monocoque frame standard |
Frame Generations Explained
Birdy frames have evolved through three generations:
- Classic / Round Tube (1995–2010): The original design with circular frame tubes. Beloved by purists for its vintage look. Still available as the “New Classic” model.
- Gen 2 Monocoque (2011–2018): The first pressed-aluminum monocoque frame. Sleeker, stiffer, but heavier than Gen 3.
- Gen 3 Monocoque (2019–present): The current standard. Lower bottom bracket for stability, stiffer head tube, and increased tire clearance. All current Birdy models (URB, EVO, GV Plus, etc.) use Gen 3 frames.
How to Choose Your Birdy
- City commuting, need rolling rack: → URB (only Birdy with built-in rolling rack)
- Best all-rounder, mostly pavement: → EVO (lightest 18″ model, great drivetrain)
- Gravel paths, light trails: → GV Plus (Billy Bonkers tires, Juin Tech brakes)
- Road cycling speed: → R20 (20″ wheels, 105 groupset)
- Retro looks, high-end components: → UD20 (silver CNC, 105 groupset)
- Budget entry: → STD or GV
- Long-distance touring: → Touring or Rohloff
- Want electric assist: → E-BIRDY
Key Specifications Compared
All Birdy models share these common specs unless noted:
- Rider height: 145–185 cm (4’9″ – 6’1″)
- Max load: 110 kg (242 lbs)
- Folded size (18″ models): 75 × 32 × 65 cm
- Folded size (20″ models – UD20/R20): Slightly larger — verify before buying
- Suspension: All Birdy models have front suspension fork + rear PU block
- Frame material: AL 6061 (front) / AL 7005 (rear)
Final Tip
The best way to choose a Birdy is to match the model suffix to the terrain you ride most. All Birdy models fold to a similar size and share the same legendary suspension — the differences are in the components (drivetrain, brakes, tires) and wheel size (18″ vs 20″). Pick the one that fits your riding, and you can’t go wrong.
Disclosure: We are not affiliated with or endorsed by Pacific Cycles Inc. All trademarks belong to their respective owners.