Undercarriage parts are available for all 5 types of Filippi seat. Undercarriage parts are side specific (left and right side), as well as seat width specific (17/23/25/28/30cm). 
 
Pricing is per side of the undercarriage. If you require both sides (a pair) please add each indiviudal side to your cart.
 
Please select undercarriage parts for one of the five types of Filippi seat:
4 in 1 seat top, single action
4 in 1 seat top, single action, height adjustable
4 in 1 single seat top, single action, height adjustable, light weight version
Traditional seat top, single action
Traditional seat top, single action, height adjustable