Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

Load image into Gallery viewer, Sunrace-11-50t-12-Speed-Cassette-CASS0231-Bicycle-Cassettes
Load image into Gallery viewer, Sunrace CS-MZ90 12s Cassette 11-50t 11,13,15,17,19,21,24,28,32,36,42,50

SKU: CASS0231

Sunrace CS-MZ90 12-Speed MTB Cassette 11-50t with 7075 Aluminum Sprockets & Alloy Lockring for Aggressive Trail & Enduro Performance

Regular price $137.53
$186.59 Sale price $137.53 Regular price
Sale Sold out
Unit price
/per 
Save 26%
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Upgrade Your MTB Performance with the Sunrace CS-MZ90 12-Speed Cassette - 11-50T Range for Extreme Climbing and Versatile Riding

The Sunrace CS-MZ90 12-speed MTB cassette offers unmatched versatility and durability for aggressive mountain biking. Crafted with precision engineering and premium materials, this high-performance cassette is designed to handle the toughest terrains and steep climbs with ease. Whether you're tackling steep ascents or cruising through varied trail conditions, the CS-MZ90 delivers smooth, reliable shifting, enhancing your riding experience.

Materials & Construction:

Constructed primarily from high-quality 7075 aluminum, renowned for its excellent strength-to-weight ratio, the Sunrace CS-MZ90 features rugged 42T-50T sprockets that provide durability and lightweight performance. The alloy spider, lockring, and spacers further reduce weight while maintaining structural integrity, ensuring your drivetrain remains resilient under demanding riding conditions.

Performance & Engineering:

Engineered for optimal gear range and shifting precision, this 12-speed cassette offers an expansive 11-50 teeth range, perfect for conquering challenging ascents and descending confidently. Its wide gear ratio provides the flexibility needed for diverse trail conditions, allowing seamless gear transitions and efficient power transfer. Designed specifically for modern 12-speed mountain bike drivetrains, the CS-MZ90 ensures smooth, consistent performance ride after ride.

Components & Technology:

Featuring an alloy spider and spacers, the cassette maintains lightweight dynamics without compromising durability. The all-metal construction combined with precision-machined sprockets guarantees reliable engagement and long-lasting performance. The 12-speed configuration is compatible with most standard MTB hubs, making installation straightforward and hassle-free.

Style & Use Case:

Designed for serious mountain bikers and trail enthusiasts, the Sunrace CS-MZ90 12-speed cassette adds a professional touch to your bike's drivetrain. Its sleek, functional design complements both aggressive trail bikes and enduro setups. Ideal for climbing steep trails, technical descents, and multi-day adventures, this cassette is your reliable companion in demanding off-road environments.

Innovative Features:

The Sunrace CS-MZ90 features an innovative alloy construction with lightweight yet strong sprockets, optimized for both durability and performance. Its wide gear range reduces the need for frequent gear changes, enhancing your pedal efficiency on demanding climbs and technical terrain.

Optimize your mountain biking setup today with the Sunrace CS-MZ90 12-speed cassette- engineered for endurance, designed for performance, and built to elevate your riding experience. Whether you're racing, trail riding, or conquering challenging terrains, this cassette delivers the power and precision you need to excel.

  • Enhanced 12-speed MTB cassette designed for extreme off-road performance and durability, featuring a wide 11-50T gear range for versatile climbing and sprinting.
  • Constructed from premium 7075 aluminum, with lightweight alloy spider, lockring, and spacers, ensuring optimal strength-to-weight ratio for demanding trail riding.
  • Engineered with precise CNC-machined sprockets and durable components, providing smooth, reliable shifting across varied terrains and mountain biking conditions.
  • Ideal for aggressive trail, enduro, and all-mountain riders seeking high-performance gearing options with a sleek, professional style.
  • Innovative design includes a robust 12-speed configuration with a broad gear range, enhancing pedal efficiency, cadence control, and overall riding confidence on steep climbs and fast descents.
Cogs11,13,15,17,19,21,24,28,32,36,42,50
Gears12sp
Range11-50t
Shipping
Returns
About Us
Contact Us

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!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

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.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

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!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

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

Put yourself in their shoes and support those who support us.

You Control the Outcome

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

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

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

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)