Cane Creek Thudbuster ST G4 345mm x 27.2mm - PLUS 30.9mm Shim

Cane Creek Thudbuster ST G4 27.2mm - Kitted with a 27.2mm to 30.9mm SHIM to fit 30.9mm seatpost frames

The Thudbuster Parallel Linkage technology stays in the direct path of the natural travel of the rear wheel. As a bump lifts the back of a bicycle, the rear wheel pushes up and forward into the rider. The Thudbuster works by compressing along the exact opposite path — down and rearward — absorbing force at the same rate. This results in a natural suspension feel without being overly active, and allows for more travel without compromising pedaling position.

Designed specifically with the rigors of e-bikes and daily commuting in mind, the latest generation Thudbuster ST includes 50mm of travel to significantly diminish shocks and impacts from broken pavement, cobblestones or any other mixed surfaces.

Bolt-On Comfort

• Comfortable Suspension: 50mm of Travel (1.97in) for exceptional shock absorbing while cycling.
• Reduce Riding Pain & Increase Comfort: Absorb bumps, dips, and drops. This will soften your ride and make biking more comfortable and enjoyable so you can ride longer.
• High Quality & Durable: This suspension seatpost is completely redesigned from the previous model for increased durability and additional suspension travel.
• No Shop Tools Needed: Tool-free elastomer change and a single-bolt seat clamp design for easy seatpost adjustments.
• Works with Many Different Bike Types: This seatpost can be used on road bikes, gravel bikes, e-bikes (electric), commuter bikes, and adventure bikes for maximum comfort and performance.
• Wide Range of Rider Weight: Weight limit of riders up to 150kg/330lbs.
• Patented Parallel-Linkage Technology: Parallel Linkage technology stays in the direct path of the natural travel of the rear wheel. As a bump lifts the back of a bicycle, the rear wheel pushes up and forward into the rider.
• Tuning Customization: Tunable to match your weight and riding preference with a range of elastomer spring rates available.

For over 20 years, Thudbuster has been the bicycle industry standard in suspension seatposts by providing unequaled comfort and reliability to riders around the world.

Fitted with medium elastomer to suit riders 68-90kgs and includes a soft (45-68kgs) and firm (90-115kgs) elastomer.

Allow 100mm for the mechanism - top of seat clamp to seat rails.