TerraTrike Seat Wedge Wide Cushion brand_aardvark and the clamp diameter is

and the clamp diameter is 1” (clamps onto a 1” tube)

Frame Type: Unisex

Ideal for on top of a main tube just behind the headset

Package includes spacers for the rack attachment point that work with or without a rear rack in place

Can be mounted virtually anywhere

TerraTrike Seat Wedge Wide Cushion brand_aardvark and the clamp diameter isThe TerraTrike Seat Wedge Cushion may seem simple, but packs a big punch in the comfort category by creating a more bucketed feel to the lower seat. This is great for those that are in a very upright position, reducing any forward shift. It can also be used in the top of the seat for those hard pedaling reclined riders that need help staying down in the seat. Seat Wedge provides added support Put it at the front edge for more of a "bucket seat" feel