Shimano
SHIMANO DEORE RD-M5120 REAR DERAILLEUR / 10/11-SPEED / SHADOW RD+ / SGS LONG / 4550170618544
SHIMANO DEORE RD-M5120 REAR DERAILLEUR / 10/11-SPEED / SHADOW RD+ / SGS LONG / 4550170618544
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SHIMANO DEORE RD-M5120 – RELIABLE SHIFTING PERFORMANCE FOR EVERY TERRAIN
The Shimano Deore RD-M5120-SGS rear derailleur brings professional technologies to the 10- and 11-speed segment. Thanks to its flat Shadow RD+ design, the derailleur is optimally protected from impact damage caused by stones or branches. The integrated chain stabilization technology effectively reduces chain slap and prevents the chain from coming off on rough terrain, ensuring noticeably smoother running and a quiet drivetrain.
The RD-M5120 is a true all-rounder: it is suitable for modern 1x10-speed setups with large cassettes as well as for classic 2x10- or 2x11-speed drivetrains. With its long SGS cage, it offers the necessary capacity to safely and precisely handle a wide range of gear ratios. This makes it the ideal choice for mountain bikers and touring cyclists looking for performance and durability at an attractive price.
Product details
• Shadow RD+ Technology: Integrated stabilizer for maximum chain tension and less noise
• Low profile: Reduces the risk of damage from trail obstacles
• Versatile: Compatible with 10-speed and 11-speed drivetrain systems
• Precise index shifting: Proven Shimano quality for fast and defined gear changes
• Robust construction: High-quality materials for lasting reliability on rough terrain
Technical data
• Product type: Rear derailleur
• Model: RD-M5120-SGS (Deore M5100/M4100 series)
• Speeds: 10-speed / 11-speed
• Cage length: SGS (long)
• Max. sprocket size (1x10-speed): 46 teeth
• Max. sprocket size (2x10/11-speed): 42 teeth
• Min. sprocket size: 11 teeth
• Derailleur pulleys: 11 teeth
• Compatibility: Optimized for Shimano HG-X 10-speed and 11-speed chains; technically suitable for corresponding Shimano MTB shifters (observe cage capacity)
Ordering & Delivery Information
• Brand: Shimano
• Item number: ERDM5120SGS
• EAN / GTIN: 4550170618544
• Scope of delivery: 1x Shimano Deore RD-M5120-SGS rear derailleur
Conclusion
The Shimano Deore RD-M5120 is the ideal upgrade or replacement part for anyone looking for a robust solution with chain stabilization. A rear derailleur that impresses with its versatility and uncompromising functionality.
Product Information & Conditions
GPSR Information
Manufacturer
Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Niederlande
Email: privacy@shimano-eu.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
NEW / DISCONTINUED GOODS WITH GUARANTEE / USED GOODS WITH GUARANTEE
Our standard
We invest considerable time and care in each of our bicycles and parts before they go on sale. Every bike and every item is thoroughly cleaned, inspected, and, if necessary, fitted with new wear parts to ensure it's technically sound and visually appealing.
This is precisely where we differ from many other providers: You only receive items from us that have been honestly and conscientiously inspected. The condition and all relevant information can be found transparently and comprehensibly in our item information and terms and conditions .
This way, you know exactly what to expect – and can be sure that you'll get a bike or part that will give you long-lasting pleasure without the need for major repairs after a short period of time.
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USED GOODS - Warranty
If you choose our used bicycles, components, or equipment, you benefit from additional security: We offer a one-year warranty . So you can ride worry-free, knowing we'll stand behind you even after your purchase.
Note: Items expressly marked as “defective” or “DIY goods” are excluded from the warranty.
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NEW GOODS - Guarantee
When you purchase new bikes, exhibition pieces, demonstration models, or discontinued items, you are doubly protected: You receive a 2-year manufacturer's warranty or a 2-year guarantee – clearly and transparently stated in the item information.
This means you are better protected than if you were buying privately, and you can rely on our support even after the purchase.