Full size 26” wheels. Yes, there's plenty of clearance for wide tires, but you're not going to want to do that. The P20 has light wheels with paired, bladed spokes for going fast. Revel in it.

Hydraulic disc brakes, stiff hydroformed frame.
Folds in 10 seconds. Less if you're good at it.
Resizes in seconds to fit a wide range of riders.
Tool-free adjustable handlebar stem lets you change riding positions on the fly.

Speeds: 2 x 10
Weight: 12.22 kg (26.9 lb)
Gear Inches: 26" - 112" (2.09 - 8.92 m)
Folding Size: 38 × 90 × 81 cm (15 × 35.4 × 31.9 in)
Folding Time: 10 sec
Frame Sizes: One size
Seatpost to Handlebar: 63 - 70 cm (24.8 - 27.6 in)
Saddle to Pedal: 77 - 104 cm (30.3 - 40.9 in)
Suggested Rider Height: 148 - 195 cm (58.3 - 76.8 in)
Max Gross Vehicle Weight: 120 kg (264.6 lb)
Max Rider Weight: 105 kg (231.5 lb)