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Ti-Parts Titanium

M5/M6 Titanium Seatpost Saddle Barrel Nut | Road/Gravel/Folding

M5/M6 Titanium Seatpost Saddle Barrel Nut | Road/Gravel/Folding

Regular price $9.98 SGD
Regular price $9.98 SGD Sale price $9.98 SGD
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Size (Thread Diameter - Barrel Diameter x Length)
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Titanium Seatpost Barrel Nut for most types of bicycle seatposts. 

An excellent replacement for the heavy stock barrel nuts. Comes in various sizes!

Please measure your original barrel nut to find a suitable upgrade.

Titanium bolts are approximately 40% lighter than standard steel bolts and are highly resistant to corrosion. Combined with our Particle Vapour Deposition (PVD) finishing process, these bolts are built to last a lifetime while maintaining their premium appearance.

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Compatibility

Various road, gravel, folding, MTB, minivelo bikes that uses a barrel nut.

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Specifications

M5 Barrel Nut (Diameter x Length (mm))
8 x 13.5 - 1.92g/pc
8 x 15.5 - 2.81g/pc

M6 Barrel Nut (Length x Diameter (mm))
9 x 18 - 3.4g/pc
10 x 13 - 2.56g/pc
10 x 14 - 2.98g/pc
10 x 20 - 4.76g/pc

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Why Choose Titanium Bolts?

Read about our titanium bolts HERE

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Disclaimer

Other components in the pictures are not included.

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Features

Excellent Corrosion and Oxidation Resistance

Engineered to withstand harsh environments, offering superior resistance against rust and corrosion.

 

Up to 50% Lighter Than Standard Steel Bolts

Significantly reduces overall system weight without compromising strength, ideal for high-performance applications.

 

High Strength-to-Weight Ratio

Manufactured from aerospace-grade materials, combining exceptional hardness and durability with lightweight characteristics.

 

Enhanced Surface Finish via PVD Coating

Applied with advanced Physical Vapor Deposition (PVD) technology, delivering a smoother, brighter, and more durable finish compared to conventional electroplating.

 

Precision Polished Finish

Mirror-like polish enhances aesthetics while minimizing surface friction and debris accumulation.

 

Constructed from Grade 5 Titanium (Ti-6Al-4V)

Offers outstanding tensile strength, fatigue resistance, and reliability — the industry benchmark for high-performance fasteners.

To determine a suitable replacement screw for you, measure your old screw(s) using the guide below.

Download a HD copy here

Our Limited Lifetime Warranty backs this product against manufacturing defects. 

User misuse, improper torque application, or tool-induced damage are expressly excluded.

For more information, please see this page.

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Customer Reviews

Based on 2 reviews
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CARLOS

Does not fit on the 2025 Specialized S-works, Barrel Nut outside face needs to end on angle to fit seatpost properly!
First order did not fit, so I thought it needed to be longer, ordered again a longer nut but still did not fit correctly, wasted my time and money.
Feeling Very disappointed

H
Hernan

Amazing product it’s exactly what I was looking for. Lightweight and high quality.