09-01-2023, 03:58 PM
The frame you have borrowed is an earlier design, the rear base supportis original and specific to that type of seat.
Your seat frames are more like 1928/29, onwards, the base should be considerably more wedge shaped. The width can be manipulated but will require some brute force.
Your seat frames are more like 1928/29, onwards, the base should be considerably more wedge shaped. The width can be manipulated but will require some brute force.