Colnago SR9 Alloy Stem for Internal C64 – Lightweight, Stiff, and Stunning

Colnago SR9 Alloy Stem for Internal C64

The Colnago SR9 Alloy Stem is a sleek and stylish addition to your road bike setup.

Crafted with a contemporary filleted square appearance, this stem not only enhances the aesthetics of your bike but also delivers exceptional performance. Its alloy construction ensures durability, allowing it to withstand the rigors of intense road use.

With a remarkable strength-to-weight ratio, the SR9 Alloy Stem provides excellent stiffness without adding unnecessary weight to your ride.

Today we are here to review this premium component and discover why it’s a perfect fit for disc brake road bikes.

Colnago SR9 Alloy Stem For Internal C64 Key Features

Here’s a table describing the key features of the Colnago SR9 Alloy Stem for Internal C64:

Key FeaturesDescription
Internal Cable RoutingThe stem features an innovative internal cable routing system, allowing for a clean and clutter-free appearance while reducing aerodynamic drag.
Lightweight AlloyCrafted from high-quality alloy materials, the stem offers a lightweight design, contributing to improved agility and a more enjoyable riding experience.
Stiff ConstructionThe stem’s stiffness ensures optimal power transfer and responsive handling, providing riders with confidence and control on various road terrains.
DurabilityBuilt to withstand the rigors of intense road use, the stem exhibits durability for long-term performance, ensuring reliability throughout extended rides.
CompatibilityDesigned specifically for the Colnago C64 and V3Rs disc models, the stem seamlessly integrates into these framesets, ensuring a perfect fit and performance.
Versatile Handlebar FitCompatible with standard 31.8mm diameter road handlebars, the stem offers versatility, accommodating different handlebar preferences for a customized setup.
Contemporary AppearanceWith a filleted square design, the stem enhances the aesthetics of the bike, providing a sleek and modern appearance that adds a touch of sophistication.
Easy InstallationThe stem is designed for easy installation, allowing riders to quickly and conveniently integrate it into their bike setup for a hassle-free riding experience.
Aerodynamic PerformanceBy reducing external cable clutter, the stem’s internal cable routing system enhances aerodynamics, enabling riders to cut through the wind with improved efficiency.
Reliable PerformanceThe stem’s high-quality construction ensures consistent and reliable performance, allowing riders to enjoy its benefits and capabilities over long-term use.

The Ultimate Performer: Colnago SR9 Alloy Stem for Internal C64 Review

It’s called an ultimate performer. Why? Let’s have a look at the features:

Enhanced Aerodynamics

Enhanced Aerodynamics

The Colnago SR9 Alloy Stem boasts enhanced aerodynamics, thanks to its internal cable routing system.

By neatly concealing the cables within the stem and fork steerer, this innovative design reduces drag, allowing you to cut through the wind more efficiently. The streamlined airflow enhances your bike’s overall aerodynamic performance, resulting in improved speed and increased performance on the road.

With the SR9 Alloy Stem, you can enjoy the benefits of reduced drag and maximize your riding potential.

Clean and Sleek Appearance

Clean and Sleek Appearance

The Colnago SR9 Alloy Stem offers a clean and sleek appearance to elevate the aesthetics of your road bike.

With its internal cable routing system, the stem eliminates cable clutter and creates a visually appealing bike setup. The streamlined design adds a touch of sophistication to your ride, enhancing its overall visual appeal.

Enjoy the clean lines and clutter-free look of the SR9 Alloy Stem, and experience the satisfaction of a stylish and polished road bike.

Lightweight and Stiff Construction

Lightweight and Stiff Construction

The Colnago SR9 Alloy Stem impresses with its lightweight and stiff construction.

Crafted from high-quality alloy materials, this stem strikes the perfect balance between minimal weight and optimal stiffness. The lightweight design ensures agile handling and prevents unnecessary weight additions to your bike.

At the same time, the stiffness of the stem guarantees efficient power transfer, enabling you to ride with confidence and conquer any road with ease.

Durability for Long-Term Use

The Colnago SR9 Alloy Stem is built to withstand the demands of intense road use, ensuring long-term durability.

Constructed with robust materials and expert craftsmanship, this stem is designed to deliver consistent performance over extended periods.

Whether you’re tackling challenging terrains or embarking on long rides, the SR9 Alloy Stem can handle it all.

With its durable construction, you can ride with confidence, knowing that your stem will stand up to the rigors of the road, providing reliable performance for many miles to come.

Versatile Compatibility

Versatile Compatibility

The Colnago SR9 Alloy Stem offers versatile compatibility, making it a great choice for riders with different preferences. 

Specifically designed for the Colnago C64 and V3Rs disc models, this stem seamlessly integrates into these framesets, ensuring a perfect fit and optimal performance. 

Additionally, its compatibility with standard 31.8mm diameter road handlebars expands its versatility even further. 

Whether you have a Colnago bike or another road bike with compatible handlebars, the SR9 Alloy Stem is a versatile option that can be easily integrated into your setup for a personalized riding experience.


1. What is the difference between Colnago C64 sloping and high?

Ans: The Colnago C64 HIGH geometry variant offers a 15mm taller headtube compared to the standard sloping geometry models. It caters to riders seeking a more endurance-focused riding position or requiring a taller front end for an optimal bike fit.

2. Is Colnago C64 an Aero bike?

Ans: The Colnago C64 incorporates aerodynamic features, such as a single-piece seat lug with an internal seat clamp. The slightly truncated seat tube tapers into a star shape near the bottom bracket lug, further enhancing its aerodynamic advantage compared to its predecessor, the C60.

3. What is the tire clearance of the Colnago C64?

Ans: The Colnago C64 offers ample tire clearance, accommodating up to 28mm tires with ease. With a clearance of 36.5mm diameter at a 345mm radius, riders have plenty of room to install and enjoy the benefits of wider tires on the C64 frame.

4. What is the lightest Colnago?

Ans: The Colnago C64 stands as the pinnacle of lightweight performance in their lineup. As the new flagship model, it represents the culmination of innovation, speed, and comfort. With its lugged carbon construction, the C64 sets a new standard as Colnago’s top-level race bike, delivering unparalleled performance for discerning riders.

Our Thoughts

The Colnago SR9 Alloy Stem for Internal C64 is a top-notch component that enhances both the performance and aesthetics of your road bike.

With its internal cable routing system, lightweight and stiff construction, and versatile compatibility, this stem is a valuable addition to any disc brake road bike setup.

Experience the benefits of improved aerodynamics, clean appearance, and long-term durability with the Colnago SR9 Alloy Stem.

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