Mafiabikes Harry Main Madmain 20 inch bmx bike available in multiple colours 20″





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Mafiabikes Madmain 20″ from Harry Main – Availble in mutliple colourways

Click here to take a look at our shop for all Mafia BMX models and colourways! 


The madmain 20″ bikes take Harry’s personal geometry set-up from his aftermarket hitmain parts and packages them in a ill having a look, complete bike. In his own words “if I were to start riding again from scratch, the madmain would be my ideal entry level set-up!! Integrated headset, 25/9 gearing, sealed mid bb, super short back end and nice high wide bars. In truth, Harry in truth continuously rides a madmain complete bike in his home town of Liverpool.

In order to sign off on the madmain, Harry used to be involved in each tiny detail of the design from start to finish – and even the prototype testing. He wanted to be proud to put his name on a product he hoped could inspire a generation to get involved in BMX. The madmain line of completes sticks to mafia’s long running ethos in addition to Harry Main’s vision for BMX; providing great quality, long lasting bikes at affordable prices!

  • Hi tensile internally threaded forks with cnc alloy compression cap (offset 30 mm)/taper blades with peg recess
  • Hi tensile frame TT 20.4 / cs 13.2″ / HT 75.2 °(same geometry as the hitmain frame) with top & bottom HT gussets
  • Alloy semi sealed rear cassette hub / looseball alloy front hub
  • Sealed headset with CNC head tube (provision for gyro tabs)
  • Hi tensile bars 29″ x 9″
  • Forged front load alloy stem
  • 3 piece 4130 cromoly cranks
  • Sealed mid bb
  • 25/9 gearing
  • Tapered seat/chain stays
  • Massive 20.4″ lagos crawler tyres
  • Double wall front & rear extra wide alloy rims
  • VP plastic pedals
  • Logo stitched padded 2 piece seat / alloy post
  • Integrated angle cut seat clamp
  • U-brake
  • 26lbs

  • This bike is sold for off road use only. Please call (646) 374-2453 if you require the optional road kit after purchasing your bike.




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