Undergear for single action rowing seat

Undergear (black anodised aluminum bearers and axles) single action seat with choise of 4 types of wheels (36.5 mm. wheels not possible on small bearers) and small, medium or high bearer. The seathook and bearer are out of one piece.

Choose the track width, the wheels and the height of the bearer: distance bottom seat/bottom wheel 34, 40 or 48mm.

Be aware: not all slides brands have the same depth: e.g. Martinoli slides need bigger wheels than standard.