Guide

An electric bike battery in a day typically lasts 20–70 miles of riding, depending on capacity, terrain, speed, and pedal assist.

A bike chain usually lasts 3,000–5,000 km (1,800–3,000 miles), depending on care, conditions, and drivetrain speed.

Most road bike tires last 1,200–3,000 miles (2,000–5,000 km), with tougher models reaching 4,000+ on smooth roads.

Bike frame size is usually the seat-tube length, while stack and reach show height and length for precise comparison.

Most 250cc bikes reach about 80–100 mph (130–160 km/h), with sporty models at the top of that range.

A 100cc dirt bike typically runs 40–55 mph stock, with well-tuned or race setups stretching into the 60–70 mph range on suitable ground.

Most casual riders average 10–14 mph (16–23 km/h) on flat routes; terrain, wind, stops, and fitness move that number.

MotoGP bikes reach up to 366.1 km/h (227.5 mph) in speed traps, with 350+ km/h common at fast circuits.

On flat roads, a road bike typically rolls 15–18 mph for recreational riders, while pros can sustain 25–28 mph in race conditions.

Mountain bike speed ranges from 8–14 mph on trails, ~27 mph in elite downhill, and record runs have hit 104 mph.