Product Description
Get the performance you need with the , available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.
Key Features
- Replacement elastomer insert for G4 LT Thudbuster Seat Posts
- Pedal to saddle distance remains nearly constant through travel
- Minimum frame to top of rail height, 94 mm
- Aluminum mast and links with rebuildable stainless pivots
- PTFE coated steel bushings
- Thudbuster ST comes with Soft, Medium, and Firm elastomers in the box, with Medium elastomer installed
- Stiffness:
- The relative durometer (stiffness) of the elastomer is denoted by number of dots printed on the elastomer
- Extra Soft — 1 Dot — Rider under 100 lb
- Soft — 2 Dots — Rider weight 100 lb – 150 lb
- Medium (installed from factory) — 3 Dots — Rider weight 150 lb – 200 lb
- Firm — 4 Dots — Rider weight 200 lb – 250 lb
- Extra Firm — 5 Dots — Rider weight 250 lb – 330 lb
Product Specifications
- Part Number: 08200225
- Brand:
Expert Installation Services
Order now and choose ship-to-store for complimentary installation. Kansas City motorcycle service experts!
Features
- Replacement elastomer insert for G4 LT Thudbuster Seat Posts
- Pedal to saddle distance remains nearly constant through travel
- Minimum frame to top of rail height, 94 mm
- Aluminum mast and links with rebuildable stainless pivots
- PTFE coated steel bushings
- Thudbuster ST comes with Soft, Medium, and Firm elastomers in the box, with Medium elastomer installed
- Stiffness:
- The relative durometer (stiffness) of the elastomer is denoted by number of dots printed on the elastomer
- Extra Soft — 1 Dot — Rider under 100 lb
- Soft — 2 Dots — Rider weight 100 lb – 150 lb
- Medium (installed from factory) — 3 Dots — Rider weight 150 lb – 200 lb
- Firm — 4 Dots — Rider weight 200 lb – 250 lb
- Extra Firm — 5 Dots — Rider weight 250 lb – 330 lb
Part Locations
| Location |
Available |
| Wisconsin (WI) |
0 |
| New York (NY) |
0 |
| Texas (TX) |
0 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
3 |
Stock levels last updated: January 16, 2026 12:32 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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