About The Product
- The all new Thudbuster is now able to support riders up to 330lbs and incorporates a tool free, interchangeable elastomer system to quickly and easily adjust the seat post for a variety of rider weights
- Designed specifically with the rigors of e-bikes and daily commuting in mind, the new Thudbuster ST includes 50mm of travel to significantly diminish shocks and impacts
- Installing and adjusting the seat on the new Thudbuster is easier than ever with a single bolt design that secures the seat with a few turns of a standard hex tool
- Medium firm elastomer pre-installed from the factory - soft and firm elastomers included
Upgrade your ride with the Cane Creek Thudbuster G4 ST Suspension Seatpost - the ultimate solution for smooth, comfortable cycling on diverse terrains. Engineered with advanced materials and innovative suspension technology, this seatpost is ideal for e-bike riders, daily commuters, and mountain bikers seeking superior shock absorption and enhanced riding ergonomics.
Materials & Build Quality
Constructed from durable forged aluminum, the Cane Creek Thudbuster G4 ST ensures lightweight strength and longevity. The anodized aluminum axles and PTFE flanged bushings provide exceptional wear resistance and smooth operation under high loads, supporting riders up to 330 pounds. Its sleek black finish complements any bike setup, combining style with rugged durability.
Performance & Engineering
Featuring Cane Creek's proven parallel linkage suspension design, the Thudbuster G4 ST offers an incredible 50mm of travel that effectively diminishes impacts from rough roads, cobblestones, and trail obstacles. The parallel linkage compresses along the opposite path of bumps (down and rearward), delivering a natural, responsive suspension feel without sacrificing pedaling efficiency. This design ensures minimal energy loss, making your ride more comfortable without reducing power transfer.
Components & Technology
Equipped with a single-bolt clamp for quick, tool-free elastomer replacement, the Thudbuster G4 ST simplifies suspension tuning and customization. The included medium-firm elastomer provides balanced shock absorption, with additional elastomers (Soft, Extra Soft, Firm, and Extra Firm) available separately to fine-tune ride feel according to rider weight and terrain. The post's adjustable elastomers allow for easy weight-based tuning, ensuring optimal comfort and performance.
Style & Use Case
Designed for versatility, this 375mm long seatpost fits 31.6mm seat tubes and is perfect for e-bikes, commuters, and recreational riders who demand comfort on daily rides and challenging terrains alike. Its sleek black aesthetic complements a variety of bike styles, adding a functional yet minimalist touch to your setup.
Innovative & Differentiating Features
- Proven parallel linkage suspension technology for natural shock absorption
- 50mm of travel for enhanced comfort on bumpy surfaces
- Tool-free elastomer change for quick customization
- Single-bolt seat clamp for ease of installation and angle adjustments
- Heavy-duty aluminum construction with serviceable PTFE bushings
- Supports riders up to 330lbs for versatile performance
Specifications:
- Diameter: 31.6mm
- Length: 375mm
- Travel: 50mm
- Weight: 580g
- Max Rider Weight: 330lbs
- Material: Aluminum with anodized finish
- Color: Black
Transform your riding experience with the Cane Creek Thudbuster G4 ST Suspension Seatpost - engineered for comfort, built for durability, and designed to elevate your cycling adventures.
- Enhanced durability with a forged aluminum construction combined with innovative 50mm suspension travel for superior shock absorption on rough terrains.
- Built with Cane Creek's proven Thudbuster parallel linkage technology, this seatpost effectively compresses along the opposite bump path (down and rearward), delivering a natural, smooth suspension feel without compromising pedaling efficiency.
- Designed for e-bike riders and daily commuters, the Thudbuster G4 ST features tool-free elastomer replacement and a user-friendly single-bolt clamp, allowing quick adjustments and easy maintenance for all riding conditions.
- Crafted with high-quality, hard anodized aluminum and PTFE flanged bushings, this 31.6mm seatpost ensures consistent performance, durability, and a clean aesthetic-ideal for rugged urban and trail riding.
- With a maximum rider weight capacity of 330lbs and adjustable elastomers (extra soft to extra firm), the Cane Creek Thudbuster G4 ST offers customizable comfort and reliable shock mitigation for riders seeking performance and comfort on diverse surfaces.
| Specification | Value |
|---|---|
| Manufacturer | CANE CREEK |
| Manufacturer Part No. | SP6A316 |
| Universal Product Code | 840226085647 |
| Invoice Description | SEATPOST CC THUDBUSTER G4 ST SUSPN 31.6x375mm BK |
| Shipping Weight | 1.80 lbs. |
| Package Dimensions | 19 x 5 x 3.5 |
| Country of Origin | TAIWAN |
| Outer Diameter | 31.6mm |
| Length | 375mm |
| Color | Black |
| Material | Aly |
| Setback | 0mm |
| Weight | 580g |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
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Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
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Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
