EASTON J19C3 Seat Post 27.2MM 350MM

( Brand: Easton ), ( Manufacturer Part Number: J19C3 ), ( Model: EASTON J19C3 ), ( Part Type: Seat ), ( Item Diameter: 27.2 Mm ), ( Item Length: 350 Mm ), ( Material: Aluminum, Aluminum Alloy ), ( Set Includes: Seatpost )

Review EASTON 27.2mm 350mm Seat Post

Easton EC90 SL Seat Post - 27.2mm x 350mm

The Easton EC90 SL Seat Post, with a diameter of 27.2mm and a length of 350mm, is a testament to Easton's unwavering commitment to innovation, performance, and durability. This high-end seat post is a crucial component in building a top-tier road bike, offering unmatched rigidity, lightweight performance, and aesthetic appeal.

Crafted from Easton's proprietary EC90 SL carbon fiber, this seat post delivers an unparalleled balance of strength, stiffness, and weight savings. The EC90 SL carbon fiber is a meticulously designed blend of high-modulus and high-strength fibers, resulting in a material that is exceptionally strong yet remarkably lightweight. This ensures that the Easton EC90 SL Seat Post can withstand the rigors of high-speed cycling without adding unnecessary weight to your bike.

The Easton EC90 SL Seat Post features a sleek, streamlined design that not only enhances the aesthetic appeal of your bike but also reduces aerodynamic drag. The post's deep, matte carbon finish, along with the subtle Easton logos, gives it a sophisticated, understated look that complements any bike setup.

In terms of functionality, the Easton EC90 SL Seat Post is equipped with a 2-bolt clamp design that ensures a secure and precise fit. The clamp's ergonomic design makes it easy to adjust your saddle position, even when wearing cycling gloves. Additionally, the post's 27.2mm diameter is a standard size found on many road bikes, making it a versatile choice for a wide range of cyclists.

In conclusion, the Easton EC90 SL Seat Post is more than just a seat post - it's a symbol of high-performance cycling. Its exceptional strength, lightweight design, and sleek aesthetics make it an ideal choice for competitive cyclists and enthusiasts alike. Whether you're racing in a Gran Fondo, tackling a century ride, or simply commuting to work, the Easton EC90 SL Seat Post will help you ride faster, farther, and more comfortably.

1. **Lightweight:** The Easton J19c3 seat post is made of carbon fiber, which makes it lightweight compared to aluminum or alloy seat posts. This can help reduce the overall weight of your bike.

2. **Stiffness:** Carbon fiber is known for its high stiffness-to-weight ratio. This means the Easton J19c3 seat post should provide a responsive feel and efficient power transfer.

3. **Aerodynamics:** The sleek design of this seat post may contribute to a more aerodynamic profile, potentially reducing wind resistance and improving speed.

4. **Adjustability:** With a length of 350mm and a 27.2mm diameter, the Easton J19c3 seat post should accommodate a variety of saddle types and riding positions.

5. **Durability:** Carbon fiber is resistant to corrosion, which means this seat post should hold up well in various weather conditions and maintaining its integrity over time.

1. **Cost:** Carbon fiber components, such as this seat post, tend to be more expensive than their aluminum or alloy counterparts.

2. **Repairability:** If the seat post gets damaged, it may not be easy or cost-effective to repair, unlike aluminum or alloy seat posts.

3. **Installation:** Proper installation of carbon fiber components requires care and attention to ensure they are securely fastened and not overtightened, which could lead to damage.

4. **Compatibility:** The Easton J19c3 seat post may not be compatible with some older bike frames or specific saddle clamp designs. It's essential to ensure the seat post will work with your bike before purchasing.

**Conclusion:** The Easton J19c3 seat post offers several benefits, including lightweight, stiffness, adjustability, and durability. However, it also comes with a higher cost and potential compatibility issues. If you're looking to invest in a high-quality, lightweight seat post for your bike and are willing to pay a premium, the Easton J19c3 may be a good choice. Otherwise, less expensive aluminum or alloy seat posts may be more suitable for your needs.

**Recommendation:** If you're seeking a lightweight, stiff, and aerodynamic seat post and are willing to invest in a carbon fiber component, consider the Easton J19c3 seat post. Ensure your bike is compatible with the seat post before making a purchase, and follow proper installation guidelines to avoid damage.

Details:

In very good condition except for minor finish abrasions that I attempted to depict in photos. Lightly used Easton 27.2mm x 350mm seat post.

part #: j19c3 prices

• $22.49-$143.00

specifications ribicycl:

• brand: Easton
• mpn: J19c3
• model: Easton J19c3
• part type: Seat
• item diameter: 27.2 Mm
• item length: 350 Mm
• material: Aluminum, Aluminum Alloy
• set includes: Seatpost

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Seatposts

shipping ribicycl:

• type: Calculated
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 4-7 Days
• cost: $8.10

seller ribicycl:

• rating: 100.0%
• # reviews: 316
• city: Fort Worth, Texas

payments ribicycl:

• other
• wallet: Apple-pay
• credit card: Diners-club

offer ribicycl:

• best offers: True
• options: Ship-to-home
• started: January 22, 2026
• quantity: 1
• sold: 0
• availability: In Stock

returns ribicycl:

• policy: No Returns