S-PARTS Titanium Seatpost Bolt Kit – Colnago Y1Rs / V5Rs

Titanium. Down to the Details.

The S-PARTS Titanium Seatpost Bolt Kit is a premium hardware upgrade designed specifically for the Colnago Y1Rs and V5Rs, with dedicated versions available for both the 15mm setback and 0mm inline Colnago seatposts.

Rather than simply replacing the visible bolts, S-PARTS replaces the associated seatpost clamping hardware with beautifully manufactured TC4 Grade 5 titanium components.

A small but seriously refined upgrade for riders who believe every detail of a premium build deserves attention.

Complete Titanium Hardware Upgrade

Each kit has been designed specifically around the clamping system used by the corresponding Colnago seatpost.

15mm Setback Kit

The 15mm setback version is supplied as a four-piece titanium kit containing:

2 × Titanium Seatpost Bolts
2 × Titanium Seatpost Nuts

Complete kit weight: approximately 11.45g

0mm Inline Kit

The 0mm inline version uses a different clamping arrangement and is supplied as a three-piece titanium kit containing:

2 × Titanium Seatpost Bolts
1 × Titanium Seatpost Nut

Complete kit weight: approximately 9.5g

Please select the correct version for your seatpost when ordering.

TC4 Grade 5 Titanium

The components are manufactured from TC4 titanium alloy (Ti-6Al-4V / Grade 5 Titanium).

Grade 5 titanium combines high strength with low weight and excellent corrosion resistance, making it ideally suited to premium bicycle hardware.

S-PARTS takes components that would normally be treated as purely functional and turns them into something worthy of the rest of the bike.

Made for the Colnago Y1Rs & V5Rs

These aren't generic titanium bolts.

Each kit has been developed specifically around the Colnago Y1Rs and V5Rs seatpost clamping system, with separate versions to correctly accommodate the different hardware requirements of the inline and setback seatposts.

Manufactured to exacting standards for a precise fit and refined appearance.

Available in 9 S-PARTS Finishes

Make it subtle or make it stand out.

Available in the full range of nine S-PARTS titanium finishes:

GOLD
RAINBOW
BLACK
TITANIUM
BLUE
GREEN
PURPLE
CANDY
INDIGO

Match the hardware to other S-PARTS components across the bike or use it to introduce a distinctive contrasting detail to your Colnago.

Technical Specifications

Product: S-PARTS Titanium Seatpost Bolt Kit

Compatibility: Colnago Y1Rs / Colnago V5Rs

Seatpost Options: 0mm Inline / 15mm Setback

Material: TC4 Grade 5 Titanium Alloy

15mm Setback Kit Weight: approx. 11.45g

15mm Setback Kit Contents: 2 × bolts + 2 × nuts

0mm Inline Kit Weight: approx. 9.5g

0mm Inline Kit Contents: 2 × bolts + 1 × nut

Tool Interface: 5mm Hex

Available Finishes: GOLD / RAINBOW / BLACK / TITANIUM / BLUE / GREEN / PURPLE / CANDY / INDIGO

Details That Matter.

The Colnago Y1Rs and V5Rs sit at the very top end of modern performance road bikes.

S-PARTS applies the same level of attention to some of the smallest components on the bike.

Grade 5 titanium.
Precision manufactured.
Nine distinctive finishes.
Designed specifically for Colnago.

It's a small upgrade, but one that transforms an otherwise purely functional piece of hardware into another considered detail of the build.

S-PARTS Titanium. Built properly.