Mothership Frame

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Nathan Williams signature United Mothership frame. When working on this frame strength and durability were always at the top of our list, with the way Nathan rides constantly trying to lighten up a frame just didn’t make sense. What we have ended up with here is the strongest frame we have produced by thickening up key stress areas, adding custom ovalized down tubes & chain stays for dent resistance, an all new gusset area combined with a longer head tube to provide a stronger junction, and then by trimming down areas that can be done so safely, have come up with a what we feel is a perfect strength to weight ratio.

Video
Specs
100% seamless Japanese 4130 cromo construction
Oval downtube providing greater dent resistance
New redesigned gusset with stamped logos
Improved shape & longer head tube for better weld junction
Tapered top tube & seat stays
Offset thickness oval chain stays providing greater dent resistance
Tube set designed to be thicker in key stress areas
New chain stay shape with clearance for up to 2.3 tyres
Ultra compact 5mm dropouts with CNC machined cut outs
Heat treated head tube, bb & dropouts
Flat Black, Dark Nickel, Purple Black
Geometry
Top Tube20.5, 20.8, 21 & 21.25 in
Chain Stay Length13.75 in to centre (13.6 in slammed)
Head Tube Angle75°
Seat Tube Angle71°
BB Height11.8 in
Standover Height8.7 in (centre bb to centre tt)
Weight4.8 lbs / 2.17 kg (21)