Frames;
Front Frame (Headtube) - 470 grams (bare, no headset cups)
Main frame - 2000 grams (main frame/front frame/hinge bushes/spindle and seat sleeve included)
Triangles;
Brompton Stock Steel - 755 grams
Brompton Stock Ti - 461 grams
Kinetics Stainless 135mm Unpainted - 947 grams
Kinetics Stainless 135mm Painted - 979 grams
Kinetics with Integral Rack Stainless Painted - 1430 grams
Vostok Titanium 135mm - 555 grams
Forks;
Brompton Steel 2017 -
Brompton Ti 2017 - 285 grams
Brompton Steel 2018+ - 543 grams
Brompton Ti 2018+ -
Kinetics Columbus 100mm Unpainted - 582 grams
Kinetics Columbus 100mm Painted - 595 grams
Vostok Titanium 100mm - 355 grams
Stems;
Stem S - 876 grams
Stem P -
Stem H - 919 grams
Stem M - 844 grams
Stem H - Lower section - 317 grams
Stem H - Upper section - 602 grams
Brompton Stem bolt - 7 grams
Brompton Stem internal bolt + expander cone - 43 grams
Brompton Stem Wedge - 65 grams
Brompton Stem internal bolt (for wedge) - 31.2 grams
Ti Parts Workshop Stem Wedge - 25.4 grams
Fittings/Other;
Brompton Rear hinge spindle / bolts - 40.5 grams
Ti Parts Workshop Ti hinge spindle/bolts - 23 grams
Brompton Pivot spindle 6.0 - 11 grams
Brompton Pivot spindle 6.1 - 12 grams