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Zipp Service Course SL Seatpost 20mm offset
Zipp Service Course SL Seatpost 0 Offset
Zipp Service Course SL Seatpost rear

ZIPP Service Course SL Seatpost

$254.99

Lightweight carbon shaft seatpost with alloy head and micro-adjustable clamp, fits road, gravel, and XC bikes.
Free standard shipping Canada-wide over $100
30-day returns on eligible unused items
Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Endurance road, gravel, and cross-country riders seeking a reliable, adjustable carbon seatpost with versatile fit options.

What to Know

Controlled flex in the carbon shaft smooths road vibrations while maintaining strength, complemented by a robust alloy head and precise two-bolt clamp for fine saddle positioning.

Why We'd Choose It

Choose the Service Course SL for its blend of lightweight carbon construction, durable alloy hardware, and micro-adjustable clamp that ensures a tailored fit and smooth ride across multiple cycling disciplines.

At a glance

Product facts

Use
Endurance road, gravel, and cross-country cycling
Key feature
Unidirectional carbon shaft with alloy head and micro-adjust clamp
Product Story

Product details

Overview

The Zipp Service Course SL Seatpost combines a unidirectional carbon shaft with an AL-7075 alloy head and a secure two-bolt micro-adjust clamp to provide a precise fit and reliable performance. Designed for riders seeking a balance of lightweight construction and durability, this seatpost suits a variety of bike types including endurance road, gravel, and cross-country.

Ride Feel & Construction

The carbon shaft is tuned for controlled flex to reduce road buzz while maintaining strength. The alloy head ensures robust hardware and easy serviceability. The low-profile two-bolt clamp allows fine saddle angle and fore-aft adjustments compatible with metal or carbon rails.

Fit Options

Available in diameters of 25.4, 27.2, and 31.6 mm, and offsets of 0 mm or 20 mm, all with a length of 400 mm, the seatpost offers generous insertion depth and precise positioning.

Weight & Finish

Weights range from approximately 233 to 246 grams depending on size and offset. The post features a matte finish with stealth decals for a clean, modern look.

Who It’s For

Ideal for riders who want a micro-adjustable carbon seatpost with practical fit options and reliable performance across endurance road, gravel, and XC disciplines.

Key Specs

Specifications

Seatpost Diameter 25.4 mm, 27.2 mm, 31.6 mm Available diameters for compatibility with various frames
Seatpost Offset 0 mm, 20 mm Offsets available for precise fit
Length 400 mm Standard length for generous insertion
Weight ~233–246 g Varies by size and offset
Finish Matte with stealth decals Clean, modern appearance
Warranty Zipp lifetime (riding-related issues) Manufacturer warranty coverage
Questions & answers

Common questions

What diameters are available for the Zipp Service Course SL Seatpost?

The seatpost is available in 25.4 mm, 27.2 mm, and 31.6 mm diameters to fit a range of bike frames.

What offset options does this seatpost offer?

It comes with 0 mm and 20 mm offset options to help achieve a precise saddle position.

What is the length of the Zipp Service Course SL Seatpost?

The seatpost length is 400 mm, providing generous insertion depth for various frame sizes.

What materials are used in the construction of this seatpost?

It features a unidirectional carbon shaft combined with an AL-7075 alloy head for strength and durability.

Does the seatpost have any warranty?

Yes, Zipp offers a lifetime warranty covering riding-related issues.

Delivery & Returns

What to expect

Shipping

Free standard Canada-wide shipping over $100 before tax.

Returns

45-day returns for eligible unused items.

Ships from

Ships from Guelph, Ontario
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