Cane Creek Thudbuster G4 ST Suspension Seatpost (Black) (31.6mm) (375mm) (50mm)

Cane Creek Thudbuster G4 ST Suspension Seatpost (Black) (31.6mm) (375mm) (50mm)
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The Cane Creek Thudbuster G4 ST Suspension Seatpost utilizes a proven parallel linkage technology, while being completely re-designed for increased durability, a higher rider weight limit, additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design. Designed specifically with the rigors of e-bikes and daily commuting in mind, the Thudbuster ST (short travel) has 50mm of travel to significantly diminish shocks and impacts from broken pavement, cobblestones or any other mixed surfaces.


  • 50mm of travel for XC, Gravel or Comfort use
  • Patented 4-pivot parallel linkage with PTFE bushings
  • Pedal to saddle distance remains nearly constant through travel
  • 2-piece elastomer design with a tool-free inner elastomer change for various rider weights (Medium installed, with soft and firm included)
  • Single-bolt seat clamp with angle adjustment
  • Extension: minimum 100mm to 274mm maximum
  • Rider weight limit of 330 lbs (150 kg)

Diameter: 27.2mm, 30.9mm, or 31.6mm
Length: 345mm (27.2mm) or 375mm (30.9mm & 31.6mm)
Travel: 50mm
Rail Clamp: Standard (7 x 7mm)
Material: Aluminum
Color: Black
Weight: 596g (31.6mm)

This product was added to our catalog on January 18, 2022