THOMSON

Thomson Masterpiece Aluminum Seatpost 27.2mm 330mm, Lightweight and Strong SP-M105SB-SL

MSRP : $197.07
$151.59
(You save $45.48 )
In Stock
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SKU:
52601
UPC:
875850002128
Condition:
New
Shipping:
Free Shipping (2-3 Business Days)
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About The Product

  • Made in the U.S.A.
  • 41mm seat rail grip length
  • 40% stronger on ultimate strength test than competitor posts
  • Approximately 40 grams lighter than the same size Elite post
  • Ellipse bore inside tube for optimum strength to weight ratio.
  • 200lb weight limit

Discover the Thomson Masterpiece Post 27.2mm 330mm Silver - the perfect blend of precision engineering, durability, and lightweight performance for serious cyclists. Crafted in the USA, this high-quality seatpost is designed to elevate your riding experience with its superior materials and innovative features.

Materials & Construction:

Constructed from high-grade aluminum (Aly), the Thomson Masterpiece Post offers exceptional strength-to-weight ratio, ensuring reliable support without adding unnecessary weight to your bike. The elliptical bore inside the tube enhances structural integrity while reducing weight, providing an optimal balance of durability and performance.

Performance & Engineering:

Withstanding up to 200lb loads, this seatpost is tested to surpass industry standards - offering 40% greater ultimate strength than competing options. The 41mm seat rail grip length provides secure and adjustable saddle positioning, making it ideal for a variety of riding styles from road racing to mountain biking. Weighing approximately 40 grams less than traditional Elite posts of the same size, the Masterpiece Post is engineered for clarity, control, and efficiency on the trail or pavement.

Components & Technology:

Features meticulously designed components, including a robust yet lightweight design that focuses on strength and minimalism. The anodized silver finish not only provides corrosion resistance but adds a sleek, modern aesthetic to your bike's setup.

Style & Use Case:

This versatile seatpost is perfect for competitive cyclists, mountain bikers, and everyday riders seeking a reliable, lightweight component that enhances comfort and performance. Its setback design ensures optimal saddle positioning for a more aerodynamic posture or relaxed ride.

Innovative & Differentiating Features:

- Made in the U.S.A. with premium craftsmanship

- Ellipse bore inside tube for improved strength-to-weight ratio

- 40% stronger in ultimate strength tests compared to competitors

- Lightest in its class, approximately 40 grams lighter than equally sized options

- Designed to withstand rigorous riding conditions with a 200lb weight limit

Upgrade your bike with the Thomson Masterpiece Post 27.2mm 330mm Silver - engineered for performance, built for reliability, and crafted to elevate your cycling experience. Optimize your saddle positioning with confidence and ride with the assurance of top-tier quality and innovative design.

  • Premium aluminum construction made in the USA for exceptional durability and quality, ensuring long-lasting performance on every ride.
  • Engineered with an ellipse bore inside the tube, maximizing strength-to-weight ratio for reliable support without sacrificing weight savings.
  • Designed with a 41mm seat rail grip length and 330mm length, offering versatile compatibility and optimal positioning for comfortable riding.
  • 40% stronger in ultimate strength tests compared to competitor posts, providing increased safety and peace of mind during intense cycling sessions.
  • Lightweight design approximately 40 grams lighter than comparable models, enhancing speed and agility while maintaining high structural integrity.
SpecificationValue
ManufacturerTHOMSON
Manufacturer Part No.SP-M105SB-SL
Universal Product Code875850002128
Invoice DescriptionSEATPOST THOM 27.2 330mm-M-PC SETBACK SL
Shipping Weight0.48 lbs.
Package Dimensions14.35 x 4.85 x 2.85
Country of OriginUNITED STATES
Outer Diameter27.2mm
Length330mm
ColorSilver
MaterialAly
Setback16mm
Weight193g
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:

  • The item must be in new, unused, and uninstalled condition.

  • All original packaging, tags, hardware, and accessories must be included and intact.

  • Items showing wear, installation marks, damage, or improper use cannot be accepted.

  • 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:

  1. You will receive a Return Authorization email with instructions.

  2. Print the prepaid label provided by us. ($9.99 will be deducted from your refund)

  3. 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:

  • Electronics with opened packaging or broken manufacturer seals

  • Any part that has been installed or shows installation attempts

  • Tools or chemicals that have been opened or unsealed

  • Open‑box items with destroyed or missing packaging

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

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:

  • Alaska

  • Hawaii

  • Puerto Rico

  • 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.

  • We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.

  • 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