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SKU: CASS0256

Sunrace CS-M63 12-28t 7-Speed Bicycle Cassette with Super Fluid Drive Technology, Steel Cogs & Nickel Finish - Lightweight, Durable Drivetrain Component for Road and Mountain Bikes

Regular price $28.09
$27.99 Sale price $28.09 Regular price
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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

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$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Elevate your cycling performance with the Sunrace CS-M63 12-28t 7-Speed Cassette, the perfect upgrade for road, mountain, or hybrid bikes. Engineered with advanced materials and innovative technology, this high-performance cassette ensures smooth shifting, durability, and lightweight design to enhance your riding experience.

Materials & Construction

Constructed with high-strength steel cogs and a robust steel lock ring, the Sunrace CS-M63 cassette offers exceptional durability and resistance to corrosion. The nickel plating adds an extra layer of protection against wear and environmental elements, ensuring long-lasting reliability for demanding rides.

Performance & Engineering

Featuring Super Fluid Drive technology, the CS-M63 delivers seamless power transfer and extremely precise shifting. Its lightweight design tips the scale at approximately 250 grams, optimizing your bike's weight-to-strength ratio for agile handling and efficient acceleration on various terrains.

Components & Technology

The 7-speed cassette spans a gear range of 12-28 teeth, providing versatile options for climbing steep grades or maintaining high speeds. Compatible with Shimano HG freehub bodies, it seamlessly integrates with your existing drivetrain for smooth gear transitions across all settings.

Style & Use Case

Designed for versatile cycling enthusiasts, this cassette is ideal for recreational riders, commuters, and competitive cyclists alike. Its sleek, silver finish complements a wide range of bike styles, adding a professional look while boosting ride quality across hill climbs, highway cruising, or trail adventures.

Innovative & Differentiating Features

- Durable Steel Cogs and Lock Ring for Extended Wear Resistance

- Nickel Coating for Enhanced Corrosion Protection

- Super Fluid Drive Technology for Ultra-Precise Shifting and Power Efficiency

- Lightweight at ~250g to Improve Overall Bike Performance

- Compatible with Shimano HG Systems for Easy Installation

Upgrade your bike's drivetrain with the Sunrace CS-M63 12-28t cassette - a reliable, high-performance component designed to maximize cycling efficiency and style. Perfect for riders seeking superior gear range, durability, and smooth shifting in a lightweight package.

  • Lightweight 7-speed cassette featuring durable steel cogs and lock ring for reliable performance and longevity.
  • Equipped with Sunrace's innovative Super Fluid Drive technology for smooth, precise shifting across all gear ranges, enhancing ride quality on varied terrains.
  • Constructed with high-quality nickel plating, offering corrosion resistance and increased durability in all weather conditions, ideal for daily commuting and mountain biking.
  • Compatible with Shimano 7-speed drivetrains, providing seamless integration and excellent value for replacing or upgrading existing cassette systems.
  • Versatile 12-28T gear range perfect for versatile riding styles, from hill climbs to flat terrains, making it suitable for recreational cyclists and competitive riders alike.
Cogs12,14,16,18,21,24,28
Gears7sp
Range12-28t
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

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If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

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Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

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Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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Customer Reviews

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M
Mike Selman

Perfect! Smooth gear changes. Can't fault it.;