That would be different from bike to bike. Get a vernier caliper and measure it.
The standard size of a bike crank bolt is typically 14mm.
The standard bike seat clamp bolt size is typically 5mm.
The standard bike rack bolt size for securing a bike rack to a vehicle is typically 3/8 inch in diameter.
The standard bike pedal bolt size for most bicycles is 9/16 inch.
The standard bolt size for a bike bottle cage is typically M5, which refers to a metric size of 5 millimeters in diameter.
When choosing a suspension mountain bike, key features to consider include the type of suspension (hardtail or full suspension), the amount of travel in the suspension forks and rear shock, the frame material, the wheel size, the type of brakes, and the overall weight of the bike. These factors will impact the bike's performance and comfort on different types of terrain.
When choosing a road bike suspension fork, key features to consider include the type of suspension system (such as coil or air), the amount of travel (how much the fork can compress), the weight of the fork, the adjustability of the suspension, and the compatibility with your bike's frame and wheel size.
When choosing a front suspension mountain bike, key features to consider include the type of suspension system, the amount of travel in the suspension fork, the material of the frame, the wheel size, the type of brakes, and the overall fit and geometry of the bike for your riding style and preferences.
Dual suspension is a bicycle with both a suspension fork and a suspension rear. A rigid bike is a bike w/o any suspension, both fork and rear triangle are stiff.
When choosing mountain bike suspension forks, key features to consider include travel distance, damping system, adjustability, weight, and compatibility with your bike's wheel size and frame.
The best bike rack for a full suspension mountain bike is one that is specifically designed to accommodate the unique frame shape and size of a full suspension bike, such as a hitch-mounted rack with adjustable cradles and secure straps to hold the bike in place. It is important to choose a rack that can securely hold the bike without causing damage to the frame or components during transport.
When choosing a mountain bike with front and rear suspension, key features to consider include the type of suspension system, the amount of travel (the distance the suspension can compress), the frame material, the wheel size, the components (such as brakes and gears), and the overall fit and comfort of the bike for your riding style and preferences.