1. Type/Design Categories
Categorized based on design and intended usage.
Road Bike
Race Road Bike
Endurance Road Bike
Aero Road Bike
Touring Road Bike
Gravel Bike
Mountain Bike (MTB)
Cross-Country (XC)
Trail Bike
Enduro
Downhill
Fat Bike
Hybrid Bike
Fitness Hybrid
Comfort Hybrid
Urban Commuter Hybrid
Cruiser Bike
Beach Cruiser
Stretch Cruiser
Folding Bike
Electric Folding Bike
Commuter Folding Bike
Electric Bike (E-bike)
Electric Road Bike
Electric Mountain Bike
Electric Cargo Bike
Electric Commuter Bike
BMX Bike
Freestyle BMX
Race BMX
Touring Bike
Light Touring Bike (Randonneur)
Long-Distance Touring Bike
Recumbent Bike
Short Wheelbase Recumbent
Long Wheelbase Recumbent
Fixed Gear/Single-Speed Bike
City Fixie
Track Bike
Cargo Bike
Longtail Cargo Bike
Front-Loading Cargo Bike (Bakfiets)
Electric Cargo Bike
Tandem Bike
Off-Road Tandem
Road Tandem
2. Terrain/Usage Categories
Classified based on the type of terrain or environment the bicycle is intended to be used on.
On-Road
City/Urban
Racing
Long-Distance Touring
Off-Road
Rock/Technical Terrain
Dirt Trails
Downhill Racing
Mixed Terrain
Gravel Roads
Forest Paths
Indoor
Smart Trainer Bikes
Stationary Bikes (Spin Bikes)
3. Frame Material Categories
Categorized by the type of material used for the frame, which impacts weight, durability, and cost.
Steel Frame
Chromoly
High-Tensile Steel
Aluminum Frame
Carbon Fiber Frame
Titanium Frame
Bamboo Frame
4. Suspension Categories
Categorized by the presence or absence of suspension and the type of suspension system.
Rigid Bikes
No Suspension (Road, Hybrid, BMX)
Hardtail Bikes
Front Suspension Only (Mountain Bikes)
Full-Suspension Bikes
Front and Rear Suspension (Enduro, Downhill)
5. Wheel Size Categories
Classified by the diameter of the wheels, which affects the ride and handling.
26-inch Wheels
Common in Older Mountain Bikes
27.5-inch Wheels (650B)
Trail Bikes
Gravel Bikes
29-inch Wheels (29er)
Cross-Country
Modern Mountain Bikes
700C Wheels
Hybrid Bikes
Road Bikes
Gravel Bikes
20-inch Wheels
Folding Bikes
BMX
16-inch and 14-inch Wheels
Kids’ Bikes
Folding Bikes
6. Drivetrain Categories
Classified based on the type of gearing or drivetrain system.
Single-Speed
Fixed Gear (Fixie)
Freewheel Single-Speed
Geared Drivetrains
Derailleur Gears (External Gears)
Internal Hub Gears
Belt Drive
Electric Drivetrain
Throttle-Controlled
Pedal-Assist (Pedelec)
7. Purpose/Performance Categories
Classified based on the bicycle’s specific purpose or performance level.
Commuter Bike
Urban Commuter
Folding Commuter
E-bike Commuter
Fitness Bike
Road Fitness Bike
Lightweight Hybrid
Racing Bike
Road Racing
Track Racing
BMX Racing
Recreational Bike
Recumbent Bike
Leisure Cruiser
Long-Distance Touring
Fully-Equipped Touring Bike
Gravel Adventure Bike
Competitive Off-Road
Cross-Country Racing
Enduro Racing
8. Age/Size Categories
Bicycles classified by the rider’s age or size.
Adult Bikes
Small Frame
Medium Frame
Large Frame
Kids’ Bikes
Balance Bike
12-inch to 24-inch Wheel Sizes (Age-Based)
Youth Bikes
Geared Mountain or Road Bikes for Youth
24-inch Wheel Bikes
Women-Specific Design (WSD) Bikes
Mountain Bikes for Women
Road Bikes for Women
9. Brake Type Categories
Categorized based on the type of braking system the bicycle uses.
Rim Brakes
V-Brakes (Hybrid/MTB)
Caliper Brakes (Road Bikes)
Disc Brakes
Mechanical Disc Brakes
Hydraulic Disc Brakes
Coaster Brakes
Found on Kids’ Bikes and Cruisers
10. Technology/Features Categories
Classified by the technology and features incorporated into the bicycle.