Surface Parallelogram Seat Post 30.9 x 350 mm - Spring-Loaded Seat Post with Parallelogram System | Stainless Steel Bushings | For MTB, Trekking, City & E-Bikes | Comfort Suspension
KONG MING CAR Suspension Seatpost 27.2/30.9/31.6 x 365mm - Parallelogram Spring Seatpost, Aluminium, 50mm Suspension Travel, Adjustable Damping for MTB, Trekking Bike (Φ31.6mm)
KONG MING CAR Suspension Seatpost 27.2/30.9/31.6 x 365mm - Parallelogram Spring Seatpost, Aluminium, 50mm Suspension Travel, Adjustable Damping for MTB, Trekking Bike (Φ27.2mm)
KONG MING CAR Suspension Seatpost 27.2/30.9/31.6 x 365mm - Parallelogram Spring Seatpost, Aluminium, 50mm Suspension Travel, Adjustable Damping for MTB, Trekking Bike (Φ30.9mm)
TMARS SD-475 Parallelogram Suspension Seatpost 27.2x350mm
Cane Creek Thudbuster Suspension Seatpost 27.2mm Parallelogram Linkage Uncut