1501221171
Shimano Acera Rd-m3020 Shadow Rear Derailleur Long Leg 7/8 Gear
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| Varyant | SKU | EAN |
|---|---|---|
| Default Title | 1501221171 | 4550170897734 |
Product Features
Shimano Acera RD-M3020 Rear Derailleur – 7/8 Speed | SGS Long Crankset | 40T Compatible
Wide compatibility for mountain and city bikes, smooth gear shifting, and Shimano Acera quality!
The Shimano RD-M3020 is a durable and precise rear derailleur developed for users seeking high performance in 7 and 8-speed systems. Part of Shimano's Acera series, this model stands out for its smooth and reliable gear changes, even in rough terrain .
With a total capacity of 45 teeth and compatibility with large 40T sprocket sizes, it's an ideal choice for riders who want to use a wide transmission ratio. The SGS long leg design and 11-tooth pulleys optimize chain tension, ensuring quiet and smooth shifts.
🔧 Technical Specifications
| Feature | Explanation |
|---|---|
| Manufacturer | Shimano |
| Product Group | Acera |
| Model | RD-M3020 |
| Gear Compatibility | 7 / 8 gears |
| Reel Cage | SGS (Long Legs) |
| Total Capacity | 45 Teeth |
| Max. Ruble Large Gear | 40T |
| Min. Ruble Large Gear | 30T |
| Max. Ruble Small Gear | 12T |
| Min. Ruble Small Gear | 11T |
| Maximum Front Tooth Difference | 20D |
| Number of Teeth on the Pulley | 11T – 11T |
| Cable Adjuster | There is |
| Compatible Chain | HG 7/8/6 |
| Material | Steel-weighted body |
| Package Type | Single pack |
| Colour | Black |
⭐ Key Advantages
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Precise and fast gear changes with dual servo mechanisms.
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Smooth, quiet, and reliable performance, even on uneven terrain.
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Ideal for riders who want a wide tooth spacing thanks to 40T cassette compatibility.
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Durable steel frame and robust construction.
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Easy fine adjustment thanks to the cable adjuster.
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Compatible with most 7/8 speed systems.
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Suitable for trekking, city riding and MTB use.
🧩 Compatibility Information
✔ Compatible 8-speed shift levers:
SL-M360-R, SL-M310-8R, SL-M315-8R, SL-RS47-8R, SL-RS45-8R, SL-RV400-8R,
ST-M310-8R2, ST-M310-8R4, ST-TX800-8R, ST-EF65-8R2/8R4, ST-EF500-8R2A/8R4A,
ST-EF510-8R2A/8R4A, ST-EF505-8R
✔ Compatible 8-disc Cassettes:
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11-40T: CS-HG400-8
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11-30T/11-32T: CS-HG51-8, CS-HG41-8, CS-HG31-8
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11-34T: CS-HG41-8, CS-HG31-8
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12-32T: CS-HG200-8
✔ Compatible 8-Piece Chains:
CN-HG71, CN-HG40
✔ Compatible 7-speed gear shifters:
SL-M310-7R, SL-M315-7R, SL-RS47-7R, SL-RS45-7R, SL-RS36-7R, SL-RS35-7R,
SL-RV400-7R, SL-RV300-7R, SL-RV200-7R, SL-FT55-7R, SL-TX50-7R, SL-TX30-7R,
SL-TZ500-7R, SL-TZ20-7R, ST-EF65-7R2/7R4, ST-EF500-7R2A/7R4A, ST-EF510-7R2A/7R4A,
ST-EF505-7R, ST-EF41-7R
✔ Compatible 7-disc Cassettes:
CS-HG200-7 (12-32T)
✔ Compatible 7-Piece Chains:
CN-HG71, CN-HG40
📦 Delivery Scope
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1 x Shimano Acera RD-M3020 Rear Derailleur – 7/8 Speed – Black
ℹ️ Additional Technical Notes
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The biggest difference is the tooth size between the large and small leaf of the mirror arm.
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Total Capacity: This is the sum of the crankset difference and the cassette difference.
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Ruble Lower (Large) Gear: The largest gear on the cassette.
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Upper (Small) Gear: The smallest gear on the cassette.
You can contact us for any questions. We will respond as soon as possible, within business days 24 hours. We are happy to assist you! 🚀
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When will my order be shipped?
Your orders are usually shipped on the same day. This period may vary during promotional times due to high volume.
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Customer Service
You can reach us by email at 7/24 info@ugurbisiklet.live address.
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FAQ
Frequently Asked Questions can be found at the bottom of the product page.
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Contact Us
You can call us anytime at +90 850 307 1550 phone number.
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All our products are %100 original and are offered with quality and assurance. Uğur BisikletWe only source from reliable and authorized suppliers and act as their distributor to deliver the products to you. Shop with confidence, pedal quality!
Free Shipping and Free Returns
Frequently Asked Questions
📌 When will my order be shipped?
Your orders are shipped within 1-2 business days. This period may vary during promotional times due to volume.
📌 Which Shipping Company Do You Work With?
Domestic shipping is done via Yurtiçi Cargo in Turkey. International shipments are sent with DHL, FEDEX, or TNT.
📌 How can I track my order?
When your order is shipped, the tracking number will be shared via email and SMS. You can track your order on the courier company's website with this number.
📌 How can I return or exchange a product?
You can return products within 14 days unused and in their original packaging. For detailed return procedures, please review our return policy.
📌 When will I receive a refund for my returned product?
Once your return is approved, the payment will be refunded within 3-7 business days according to your payment method.
📌 Do your products have a warranty?
Yes! All products for sale are covered by manufacturer or distributor warranty. You can check product descriptions for warranty duration and terms.
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