Firefox Bad Attitude 5 27.5 - Text Review

The frame is steel, which offers good robustness though it tends to be heavier than alloy alternatives. Spec listings show “…Steel frame … single speed … V-brakes…” for this model.
The hard-tail design (no rear suspension) simplifies the bike and reduces maintenance.

Fit-wise, the 27.5″ wheel size and typical frame dimensions suit riders who are comfortable with medium to large size bikes – one spec suggests the frame size is ~18″ and aimed at 13+ years old riders.

The single-speed drivetrain of the Bad Attitude 5 means there are no shifters, no derailleurs, and one fixed gear ratio. This delivers simplicity: you pedal, you move. According to listings, this is exactly the setup here.

Comfort features include the larger 27.5″ wheels which help roll over small bumps and cracks more smoothly than smaller wheels. The upright seating position (typical of mountain/fitness bikes) also supports relaxed riding rather than aggressive posture.

The V-brakes are adequate for everyday stopping: simple to maintain, light, and effective in good road conditions. However, they will not match the modulation or power of hydraulic disc brakes, especially under heavy load or in wet/muddy situations.

The wheels are 27.5″ size (typical for this class) with tyres that are broad enough to give some cushion and grip without being ultra-slow. One listing mentions weight ~14.3 kg for the bike.