Description
The Madmain 20" bike series combines the Mafia bikes ethos with the core vision of Freestyle BMX superstar - Harry Main - to offer newcomers high-end components expertly assembled into durable bikes at reasonable prices.
This ensures you can acquire this bike with the confidence that it will support your skill development, allowing you to master barspins and whip tricks with ease over time.
Constructed from Hi-Ten steel, the Madmain bikes boast exceptional durability and longevity. A sealed mid Bottom Bracket ensures smooth pedalling. For those at the beginning of their journey, the Madmain series bikes are equipped with brakes, making them easy to stop.
Model specifications
Model | Frame Top Tube |
20.4" | 20.4" (51.8cm) |
21" | 21" (53.3cm) |
Specifications
Wheel diameter:
20"
Bar design:
Two-piece
Hub:
Cassette, Unsealed bearings front, Semi-sealed bearings
Weight:
11.79kg
Frame material:
Hi-ten steel
Seat clamp:
Integrated
Seat:
Combo
Tire width:
2.4"
Pegs:
Not included, Not recommended
Axle diameter:
10mm, 12mm
Wheel offset:
30mm
Stem type/Length:
Front load
Stem diameter:
22.2mm
Headset type:
Integrated 1 1/8"
Headtube angle:
75.2°
BMX Brake Included:
U-brake (Rear)
Gyro compatible:
Yes
Gear ratio:
25/9
Crank Length/Type:
Three-piece
Pedal axle diameter:
9/16"
Sprocket mounting:
Bolt Drive
Driver side:
Right
Crank material:
Chromoly Steel
Bottom Bracket:
Mid, Sealed
Pedal material:
Plastic
Number of spokes:
36
Chain type:
Single speed
Assembly:
Partly assembled