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WHAT’S OUR GUARANTEED BUYBACK?

For every CLCP bike we sell, we offer our buyback guarantee program. This program ensures your eligibility to receive cash, store credit, or a trade-in upon return of your bike in acceptable condition.The bike must not have any structural damage, although general wear and tear is expected as we hope you’ve been enjoying your bike.

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Shimano Deore RD-M5120-SGS 10 or 11-Speed MTB Rear Derailleur

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Certified to the highest standards
Frames

All frames are thoroughly inspected to verify they are not structurally compromised.

Wheels

All wheels are trued, dished, tensioned, and serviced for your riding pleasure.

Suspension

If your bike is equipped with a suspension system, it is fully inspected and/or serviced ensuring it is fully functional and performing properly.

Consumables

Brake pads, tires, grips, saddles and bar tape are all replaced if needed and necessary.

Components

All components are inspected, cleaned, adjusted, replaced if needed, and tested to ensure they are in optimal working condition including drivetrains, braking and shifting components and electronics.

Sizing Guide

HEIGHT

The following sizing charts are based on your height. Measure your height accurately without shoes and use this measurement as a starting point.

PROFESSIONAL ADVICE

If you're unsure about sizing or if you fall between sizes, consulting with a Bike Sensei at Cycle Limited is a valuable step. We would be happy to provide personalized guidance and help you select the best size for your specific needs. Ask a Ride Guide

FRAME SIZE RECOMMENDATIONS

The sizing charts will provide a range of recommended frame sizes based on your height. Different manufacturers may have slightly different sizing recommendations, so it's essential to use the chart specific to the brand and model you're considering.

Mountain Bikes

Height

Size In Inches

Size

4'10" - 5'2"

13" - 14"

X-Small

5'2" - 5'6"

15" - 16"

Small

5'6" - 5'10"

17" - 18"

Medium

5'10" - 6'1"

19" - 20"

Large

6'1" - 6'4"

21" - 22"

X-Large

6'4" - 6'6"

22" - 24"

XX-Large

Road, Gravel, Cyclocross, TT/Triathlon, & E-Bikes

Height

Size In CM

Size

4'10" - 5'0"

46cm

XS

5'0" - 5'3"

48cm

XS

5'3" - 5'5"

50cm

Small

5'5" - 5'7"

52cm

Small

5'7" - 5'10"

54cm

Medium

5'10" - 6'1"

56cm

Large

6'1" - 6"3

58cm

Large

6'3" - 6'4"

60cm

XL

6'4 - 6'5"

62cm

XL

6'6"+

64cm

XXL

SKU: C-1432

Shimano Deore RD-M5120-SGS 10 or 11-Speed MTB Rear Derailleur

$24.99 $51.99

Condition: New

Shipping & Assembly

All orders ship within one business day. Order confirmation is sent via email immediately after purchase is made.

Tracking information is provided once your order has taken off and is on its way to you.

14 Day Returns

We believe that you should be fully satisfied with your purchase, which is why we offer a 14-day return policy on all our bikes and accessories. If it's not the perfect fit, send it back. We won't judge. Choose between store credit in full or return the bike with a 10% restocking fee back to your original payment method.

Buyback Guarantee

At Cycle Limited, we value your investment and cycling satisfaction. Our Buyback Guarantee Program underscores our commitment to offering you flexible options for your purchased bike when you are ready to upgrade or sell your used bike back to us. We have streamlined the process for you to sell your bike to us and will offer you top dollar to purchase the bike back. Under this program, you are eligible to receive cash, store credit, or trade your bike for a different model, granted it is returned in acceptable condition.

Criteria for Acceptance:

  • The bike should be free of any structural damage.

Click Here to sell your bike.

Descripción

The Shimano Deore RD-M5120-SGS 11-Speed Rear Derailleur is designed for mountain bikers seeking reliable and precise shifting performance. Part of the trusted Deore lineup, this derailleur is engineered to handle the rigors of off-road riding. It features Shimano's Shadow RD+ technology, which provides a low-profile design to reduce chain slap and improve stability on rough terrain. The wide gear range compatibility makes it suitable for  drivetrain setups, offering versatility for various riding styles. Durable construction and smooth, accurate shifting ensure that the RD-M5120-SGS can handle demanding trails and long rides, making it an excellent choice for mountain biking enthusiasts.


This Shimano Deore RD-M5120-SGS Rear Derailleur is in new condition.


Sold as OEM (Original Equipment Manufacture) and may not include Shimano-branded packaging.


Especificaciones

  • Brand
    Shimano
  • Model
    Deore RD-M5120-SGS
  • Type
    Derailleur
  • Speed
    10/11
  • Weight
    333g

Mechanic Notes & Comments

This Shimano Deore RD-M5120-SGS Rear Derailleur is in new condition.

  • Sold as OEM (Original Equipment Manufacture) and may not include Shimano-branded packaging.
  • Largest Cog: 46T ((1x11/1x10-speed), 42T (2x11/2x10-speed)
  • Cage Length: Long
  • Rear Der/Shifter Compatibility: Shimano Mountain
  • Drivetrain Speeds: 10/11
  • Weight: 333g

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Frequently Asked Questions

How do I place an order?

All orders may be placed directly on this website. All of the items listed here are in stock and ready to ship. Simply proceed to checkout to fill in your contact, shipping, and billing info. Once your order is placed, a confirmation email will be sent via email. All orders are shipped within 1 business day. Once your order has shipped, you will receive tracking information via email. All bikes will be sent with the signature required upon delivery. You may schedule a specific delivery date and  time once you receive tracking information. 

Is this item currently in stock?

Yes, this item is in stock in the Cycle Limited warehouse and ready to ship! This is a live website and inventory is kept up to date in real time. As soon as a bike is sold, it is automatically removed from this site.

Are these photos of the actual item?

Cycle Limited takes all photos of Certified Pre-Owned items displayed on this product page. All imperfections, scratches, or damage of any kind are included and highlighted in the images and not edited out for full transparency. 

What forms of payment are accepted when purchasing a bike?

We accept all major credit cards, PayPal, Apple Pay, etc. We also offer financing through Affirm. Payment options through Affirm are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders.

Can I return or exchange the item if I am unhappy with my purchase?

Yes, every item we sell comes with a 14-day satisfaction guarantee. If this item isn’t perfect for you, our team will help you find the right one! Choose between store credit in full or return the item with a 10% restocking fee. The buyer is responsible for all shipping costs. If for any reason the item arrives with any damage, Cycle Limited will provide you with a prepaid shipping label for its return.

Our Reviews

Trusted by cyclists worldwide

cycle limited store employees posing together

We own our bikes

Cycle Limited operates exclusively as a direct seller—not a marketplace. Every bike we list is owned, inspected, and held by us; we don’t consign or list for others. Our meticulous pre-purchase inspections and certification process ensures every bike meets our high standards, guaranteeing you quality and transparency in every purchase.

Shimano Deore RD-M5120-SGS 10 or 11-Speed MTB Rear Derailleur

$24.99 $51.99

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The Shimano Deore RD-M5120-SGS 11-Speed Rear Derailleur is designed for mountain bikers seeking reliable and precise shifting performance. Part of the trusted Deore lineup, this derailleur is engineered to handle the rigors of off-road riding. It features Shimano's Shadow RD+ technology, which...
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