Tapered Headtube

for Semi-Integrated Headset

Hydroformed & Double Butted Main Tubes





Seat Tube

Mobius Dropout System

Disc brake specific &

Belt Drive compatible

Custom Hydroformed rear stays with CNC'd X-brace giving a super stiff rear end


  • 6061 T6 alloy throughout 

  • A combination of custom and carefully selected hydroformed tubing designed to maximise strength, stiffness, tube & weld overlap and look as trick as possible

  • Tapered Headtube (44mm Upper/56 mm Lower cup sizes) which takes a semi-integrated headset which are available at many price points and suitable for any fork.  Allows use of angle adjust headsets to fine tune geometry.0 

  • PF30 Bottom Bracket shell giving the widest crank compatibility possible and a generous weld area

  • Ø27.2mm ID full length seat tube 

  • 110mm rear axle spacing & 42-44mm chain line 

  • CNC’d X-brace between seat tubes - It’s light and adds lateral stability to the rear end

  • Designed for 140mm disc rotor & direct post mount caliper

  • 2kgs (4.4lbs) XL framset weight including 12mm axle, Mobius components and all fixings


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Urban Race Parts Ltd