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Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black
✅ In stock
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 8:40 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 21% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 🏷️The listed retail price is trimmed by 9% at checkout.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
2.85/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Rapid Warehousing
🚚 Shipping
Free Shipping
Product Details
✓Double Servo mechanism enables the rear derailleur to move in an optimum path
✓Versatile performance and wide compatibility
✓SGS Long cage
✓Chain Wrap Capacity (teeth): 45
✓Drivetrain Speeds: 7,8
⚙️ Specifications
Brand
SHIMANO
Color
Black
Material
Aluminum
Item Weight
0.39 kg
Mounting Type
Braze-On Mount
Manufacturer
Shimano
UPC
192790897738
Item Package Dimensions L x W x H
7.01 x 4.13 x 3.78 inches
Package Weight
0.38 Kilograms
Item Dimensions LxWxH
7.01 x 0.84 x 4.06 inches
Brand Name
SHIMANO