Bogie frame for a railway vehicle

A bogie frame for a railway vehicle, the bogie frame comprising structural members defining the frame, and one or more reinforcing components joining the structural members, the or each reinforcing component comprising:

• a first fibre-reinforced plastic layer having spaced first and second end portions, the first end portion attaching to a first structural member of the bogie frame, and the second end portion attaching to a second structural member of the bogie frame, wherein the first and second structural members are also joined together by one or more fastening bolts;
• and
• a second fibre-reinforced plastic layer disposed on a mid part of the first fibre-reinforced plastic layer between its first and second end portions such that the first and second end portions are left uncovered by the second fibre-reinforced plastic layer,
• wherein the second fibre-reinforced plastic layer forms with the mid part of the first fibre-reinforced plastic layer a central portion of the reinforcing component that is stronger than the first and second end portions, and wherein at least the first and second end portions of the first fibre-reinforced plastic layer are transparent or translucent.