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SKU: RRDR0506

microSHIFT Acolyte RD-M5180M-B 8-Speed Rear Derailleur for Touring & Commuter Bikes - Medium Cage, Black, Wide Range 12-46t Compatible, Non-Clutch Design, Smooth Shifting, Durable Alloy Construction

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Description
Specifications

Upgrade your bike with the microSHIFT Acolyte RD-M5180M-B Rear Derailleur - a reliable, high-performance component designed for 8-speed drivetrains with a medium cage length. Crafted in a sleek black finish, this rear derailleur seamlessly blends durable materials and innovative engineering to deliver smooth, precise shifting across a wide gear range, making it ideal for commuters, touring cyclists, and urban riders seeking dependable 1x gear systems.

Materials & Construction

Built with robust corrosion-resistant alloy components, the microSHIFT Acolyte derailleur ensures durability and long-lasting performance even in challenging riding conditions. Its upgraded cage design improves chain wrap and retention, reducing chain slip and increasing drivetrain efficiency.

Performance & Engineering

Engineered for dependable functionality, this derailleur provides smooth and responsive gear changes thanks to a direct path cable routing system that minimizes shift effort and enhances precision. Its compatibility with 8-speed cassettes and options for 12-42t or 12-46t 9-speed cassettes (when paired with an Advent 9-speed shifter) offers versatile gearing for various terrains and riding styles.

Components & Technology

The microSHIFT Acolyte features a 10x1 standard derailleur mount and a chain wrap capacity of 37 teeth, ensuring compatibility with a wide range of drivetrain setups. Its medium cage length accommodates larger sprockets for improved chain management during extended rides or heavy loads.

Style & Use Case

Designed for urban commuters, touring cyclists, and recreational riders, the sleek black aesthetic complements any bike style while providing practical benefits such as wide gear range and reliable shifting. Ideal for bikes utilizing 1x gear systems, this derailleur enhances everyday riding performance without the need for a clutch mechanism.

Innovative & Differentiating Features

- Upgraded cage design for enhanced chain retention and wrap

- Compatible with 8-speed and certain 9-speed cassettes for versatile gearing options

- Direct path cable routing for optimal shift response

- Suitable for non-clutch applications, perfect for touring and commuter bikes that prioritize simplicity and durability

Optimize your bike's drivetrain with the microSHIFT Acolyte RD-M5180M-B Rear Derailleur - a dependable, advanced component engineered for smooth shifting, durability, and versatile gearing.

  • Enhanced durability with an upgraded cage design offering improved chain wrap and retention for reliable shifting performance.
  • Constructed from high-quality materials, this 8-speed derailleur features a corrosion-resistant black finish, ideal for urban commuting and touring bikes exposed to the elements.
  • Advanced engineering allows compatibility with 12-46t wide-range cassettes (12-42t also supported), making it perfect for versatile 1x drivetrain setups on hybrid and adventure bikes.
  • Designed with direct path cable routing for smoother, more responsive gear shifts, reducing friction and enhancing riding efficiency on daily commutes and long-distance tours.
  • Lightweight and streamlined, the medium cage ensures optimal chain tension and performance across a variety of riding conditions, while maintaining compatibility with microSHIFT Acolyte and Advent shifters for easy upgrades.
Rear Der/Shifter CompatibilitymicroSHIFT Acolyte
Rear Der/Shifter CompatibilitymicroSHIFT ADVENT
Rear Derailleur Mount Type10x1 Standard
Drivetrain Speeds8
Chain Wrap Capacity (teeth)37
Cage LengthMedium
ColorBlack
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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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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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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


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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. 

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