Technical sheet

SunRace Threaded Cassette

Name: SunRace Threaded Cassette
Brand: SunRace
SKU: 139010044
Price: 12.99 EUR
Availability: InStock
Rating: 5 (1 reviews)

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1 Reviews

4 Questions

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Size

Long

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Features of SunRace Threaded

Product description of SunRace Threaded Cassette

Description summary

Upgrade your classic bike or commuter with the reliable Sunrace MFR2A 5-Speed Threaded Freewheel. Engineered for durability and smooth performance, this 14-24t freewheel offers crisp gear changes and consistent ride quality. Its thread-on design ensures secure compatibility with traditional hubs, perfect for restorations, repairs, or simple, dependable setups. Enjoy lasting service and an enhanced riding experience for road cycling, fitness, and urban commutes

Upgrade Your Ride with the Sunrace MFR2A 5-Speed Threaded Freewheel

Breathe new life into your classic bicycle or ensure your daily commuter runs flawlessly with the Sunrace Threaded Freewheel. Expertly engineered for reliability and consistent performance, this essential drivetrain component is the perfect choice for restorations, repairs, or building a straightforward and dependable bike. Sunrace is renowned for creating durable bike parts that deliver exceptional value, and this freewheel is a prime example of that commitment, providing a high-quality solution for bikes equipped with traditional threaded hubs.

Key Benefits:

Experience the perfect blend of durability and smooth functionality. This Sunrace freewheel is designed to provide long-lasting, dependable service, minimizing maintenance and maximizing your time on the road. The main advantage is its unwavering reliability, ensuring that your drivetrain performs consistently ride after ride, whether you´re on a leisurely weekend tour or a fast-paced urban commute. Enjoy crisp and predictable gear changes thanks to the precision-engineered tooth profiles, which facilitate smooth chain movement across the cogs. This leads to a more efficient and enjoyable riding experience, allowing you to focus on the road ahead rather than your gearing. Its robust construction ensures it can withstand the rigors of regular use, offering excellent longevity.

Main Features:

This component is defined by its intelligent design and practical features. It utilizes a classic 5-speed system, making it an ideal match for vintage builds or for riders who prefer a simpler, more intuitive gearing setup. The thread-on mounting system ensures direct and secure compatibility with a vast range of traditional threaded rear hubs, a critical feature for anyone working on non-cassette based bicycles. The gear progression is carefully selected to provide a versatile range, offering a great balance for accelerating on flats and tackling moderate inclines without significant gaps in cadence. The attractive dual-tone finish not only gives your bike a clean, professional look but also provides an added layer of protection against the elements. This freewheel is an excellent choice for Road Cycling, fitness riding, and urban commuting applications where efficiency and dependability are key.

Brand:- Sunrace.

Category:- Drivetrain.

Subcategory:- Cassettes and freewheels.

Specifications:

-Freewheel threaded MFR2A 5S - 14-24 teeth, silver black.

Specifications

Manual

Technical specifications of SunRace Threaded

Number of speeds

5-Speed
Freehub type

Threaded
Gear ratio

14-24T
Gearing progression

14-16-18-21-24T
Color

Silver
Recommended Use

Road Cycling

Features of SunRace Threaded

Color Silver

Color

Silver

Recommended Use Road Cycling

Recommended Use

Road Cycling

Key differentiators

Compatible with Shimano hubs and 9-speed chains

Constructed from durable steel with a corrosion-resistant finish

Designed specifically for traditional threaded hubs

Provides smooth and reliable shifting for road and commuter bikes

Technology in SunRace Threaded Cassette

Energy rating

Warnings

5 / 5

1 Reviews

What our customers are saying about SunRace Threaded Cassette

Cassette ok

2025/11/16

Mauro

Cassette mounted on a 70s vitage bike, slightly wider than the original, I had to change the wheel axle, making it a little longer, otherwise the chain would touch the frame.

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Include AI Generated questions and answers

2026-07-12

Generated by AI and verified

What are the main benefits of using the Sunrace Threaded Cassette?

Answer of Generated by AI and verified

The primary benefits of the Sunrace Threaded Cassette are its durability and reliable performance. It is engineered to provide smooth, crisp, and predictable gear changes, which enhances control and makes for a more enjoyable ride. Its robust construction ensures it can withstand regular use, making it a dependable choice for your drivetrain.

* Generated by AI based on customer and product data

2026-07-12

Generated by AI and verified

What is the gear range of the Sunrace Threaded Freewheel?

Answer of Generated by AI and verified

This provides a good balance of gears for handling both flat roads and moderate hills.

* Generated by AI based on customer and product data

2026-07-12

Generated by AI and verified

What type of cycling is this Sunrace freewheel best for?

Answer of Generated by AI and verified

The Sunrace Threaded Cassette is ideal for classic road bikes and daily commuters. Its durable construction and reliable shifting performance make it a great choice for drivetrain restorations, repairs, or building a straightforward bike for road cycling and urban commuting.

* Generated by AI based on customer and product data

2026-07-12

Generated by AI and verified

What kind of hub is this freewheel compatible with?

Answer of Generated by AI and verified

This Sunrace component is a threaded freewheel, expertly engineered for use with traditional threaded hubs. It is not compatible with modern cassette-style freehub bodies.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Casual Road Cycling & Commuting 90% Fit

With its 14-24T gear range and durable steel construction, this freewheel is a reliable and practical choice for everyday road riding, commuting, or leisurely weekend spins on paved surfaces.

terrain_suitability: road,gear_range: 14-24T,material: steel

Vintage Bicycle Restoration & Upgrades 90% Fit

This threaded freewheel is perfect for restoring or maintaining older road bikes that use threaded hubs, offering a reliable, easy-to-install replacement part that brings smooth shifting back to a classic ride.

hub_compatibility: Shimano,sprocket_count: 5 sprockets,gear_range: 14-24T

Entry-Level Bike Maintenance 80% Fit

As a straightforward and affordable replacement part, this freewheel is a great option for beginner cyclists learning to perform their own bike maintenance on older or entry-level road bikes.

material: steel,corrosion_resistance: yes,hub_compatibility: Shimano

Light Touring on Paved Roads 70% Fit

The reliable steel construction and versatile 14-24T gear range provide dependable performance for light touring on relatively flat to rolling terrain, ensuring smooth shifting on long rides.

gear_range: 14-24T,material: steel,corrosion_resistance: yes

Best for

Ideal for Casual Riders

This freewheel offers smooth, predictable shifting and durable steel construction, enhancing the pleasure of casual rides without needing frequent maintenance.

Based on product features

Great for Cyclists

Made from strong steel, this freewheel provides long-lasting, reliable performance, making it a smart and economical choice for bike builds or repairs.

Based on product features

Perfect for Beginner Cyclists

With its consistent and smooth gear changes, this freewheel helps beginners gain confidence and control while riding on the road.

Based on product features

Excellent for Daily

The durable steel construction ensures this freewheel can handle the demands of daily use, providing reliable shifting to support an active commuting lifestyle.

Based on product features

Benefits

FunctionalBuilt for Longevity and Consistent Performance

Enjoy peace of mind knowing your cassette is built to last. Constructed from steel, this component leverages Sunrace's reputation for creating durable bike parts, ensuring reliable performance ride after ride.

brand: Sunrace

FunctionalExperience Smooth and Reliable Shifting

This cassette is engineered for smooth, reliable shifting across its versatile gear range. This allows for efficient and comfortable gear transitions, particularly beneficial for road cycling.

gear_range: 14-24T (smooth

reliable shifting across the versatile 14-24T gear range)

terrain_suitability: road

FunctionalResists Corrosion for Lasting Use

Designed with corrosion resistance, this cassette is better protected against the elements. This feature helps maintain the component's integrity and appearance over time, contributing to a longer lifespan.

corrosion_resistance: yes

finish: polished

FunctionalDesigned for Easy Integration with Shimano Systems

This cassette offers straightforward integration with common drivetrain systems. Its specified compatibility with Shimano hubs and 9-speed chains simplifies the process of upgrading or replacing your components.

hub_compatibility: Shimano

chain_compatibility: 9-speed

Ideal buyer profiles

The Restoration Hobbyist

This cyclist enjoys finding and restoring older or vintage road bikes. They need reliable, compatible parts that match the specifications of classic bicycles without breaking the bank, focusing on function and period-appropriateness over the latest technology.

The Sunrace Threaded Cassette is an excellent choice because its threaded freewheel design is compatible with older hub standards. The steel construction ensures durability for long-term projects, and the 5-speed, 14-24T gearing is well-suited for classic road bike restorations, providing smooth and predictable shifting.

The Daily

This individual relies on their bicycle for daily transportation around the city. Their primary concerns are reliability and low maintenance, needing parts that can withstand consistent use in various urban conditions without requiring constant adjustment or replacement.

With its durable steel construction and corrosion-resistant finish, this cassette is built for dependability. It offers the smooth, predictable gear shifting essential for navigating city streets.

The Casual Weekend Rider

This person rides for leisure and fitness on weekends, typically on paved roads or bike paths. They are not looking for high-end racing components but want a dependable and smooth-shifting drivetrain that enhances their enjoyment of the ride without being overly complex.

This freewheel provides the smooth and reliable shifting that makes for a more pleasant ride. Its steel build offers the durability needed for regular weekend use.

Competitive features

When choosing a drivetrain component for your classic or commuter bike, understanding the options is key. The Sunrace Threaded Cassette is specifically engineered as a 5-speed threaded freewheel, a design distinct from modern cassette systems. While many alternatives on the market are cassettes designed for freehub bodies, the Sunrace model is tailored for older or simpler bicycles that use traditional threaded hubs. This makes it a specialized component for restorations and specific types of drivetrain setups.

Where it excels

The Sunrace Threaded Cassette is specifically designed as a freewheel for traditional threaded hubs, making it an ideal choice for restoring classic road bikes or maintaining commuter bicycles with this type of drivetrain. |

Consider alternatives if...

If your bicycle is equipped with a modern freehub body instead of a threaded hub, you will need to consider a standard cassette, as this Sunrace freewheel is not compatible. | For riders seeking more than 5 speeds for advanced or competitive cycling, other cassette options offering a wider range of gears would be a more suitable choice.

Verdict

The Sunrace MFR2A 5-Speed Threaded Freewheel is a purpose-built solution for a specific need: servicing bicycles with traditional threaded hubs. It excels in its role as a durable and reliable component for restorations and commuter bike repairs, offering smooth shifting across its 14-24T range. While it's not intended for modern, high-speed performance bikes that use cassette systems, it's an excellent choice for breathing new life into a classic ride or ensuring a daily commuter runs flawlessly.

Specs comparison

	SunRace Threaded Cassette	Sunrace Ucp Cassette	Sunrace Csm703 Shi Hg Essa Cassette
Material	steel	steel	steel
Terrain Suitability	road	urban	mountain
Gear Range	14-24T	13-32T	11-45T
Hub Compatibility	Shimano	Shimano	Shimano
Sprocket Count	5 sprockets	8 sprockets	8 sprockets
Finish	polished	UCP	-
Lockring Included	true	false	-
Corrosion Resistance	true	true	-
Installation Tool	freewheel tool	freewheel tool	-

Specs vs competitors

	SunRace Threaded Cassette	Force Cassette	Brn Frewheel Index Ru04 Cassette
Material	steel	steel	Chrome
Terrain Suitability	road	road	mountain
Gear Range	14-24T	14-28T	14-24T
Hub Compatibility	Shimano	Shimano	Shimano
Sprocket Count	5 sprockets	6 sprockets	5 sprockets
Finish	polished	polished	Chrome
Lockring Included	true	false	true
Corrosion Resistance	true	true	true
Installation Tool	freewheel tool	freewheel puller	Threaded Freewheel