10 Best Rear Derailleur Shimano Acera M390 9 Speeds In The Us - Black Friday 2024
Best Choice1
SHIMANOSHIMANO Unisex – Adult's Alivio Rd-m3100 Rear derailleur, Black, Standard Size
Main highlights- The rear derailleur supports nine gear levels and the HyperGlide system which protects the drive components from premature wear.
- The Shimano Alivio rear derailleur with Shadow RD technology is even better than its predecessor for trail and trekking use
- Thanks to the very flat design and the optimised spring tension, a stop on the chain stay is prevented and even trail obstacles have hardly a chance to damage the rear derailleur.
9.8Exceptional
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Value for Money2
SHIMANOShimano Acera T3000-SGS 10-Speed Long Cage Rear Derailleur Black
Main highlights- Lower profile than current RD-M390,Stainless steel adjustment bolts
- Double servo-panta mechanism for accurate and dependable performance
9.7Exceptional
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3
SHIMANOShimano Acera RD-M370 Altus SGS Rear Derailleur - Black, 9 Speed
Main highlights- Wide link design increases rigidity and service life
- Top-normal swing design
- Great value Altus rear derailleur offering crisp performance on- and off-road for 9-speed drivetrains
- Advanced light action design with low friction fluorine coated link pivot bushings
- 11-tooth pulleys for reduced pulley wear and chain noise
9.6Exceptional
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4
SHIMANOShimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black
Main highlights- Versatile performance and wide compatibility
- SGS Long cage
- Drivetrain Speeds: 7,8
- Double Servo mechanism enables the rear derailleur to move in an optimum path
- Chain Wrap Capacity (teeth): 45
9.5Excellent
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5
ZUKKAZUKKA Bike Rear Derailleur RD-M370 9 Speed Direct Mount for Mountain Bike
Main highlights- MODEL: RD-M370; 9 Speed Rear Derailleur; Compatible with 9-speed SIS Index Shifting drivetrains.
- MATERIAL: Made of high-quality steel materials, durable, and long service life.Easy to install and disassemble.
- IMPORTANT: Total Capacity: 45T. The direct mount rear derailleur for mountain bike, not hub bolt mount （hanger mount).
- EXCELLENT PERFORMANCE: MEGA 9 DRIVE TRAIN design and accurate gears provide light and stable shift performance, making riding easy and comfortable.
- APPLICATION: Suitable for MTB /road /variable speed/folding and city bikes. It is your indispensable bicycle accessory during your cycling journey.
9.4Excellent
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6
microSHIFT13% OffmicroSHIFT | R9 Rear Derailleur | 9, 10 Speed | Medium Cage | Black
Main highlights- Weight saving aluminum bracket body and outer link
- Steel pulley cage for extra chain-rub durability
- Not compatible with Shimano Tiagra 4700 road system
- Medium cage for double 34T setup
- Compatible with Shimano 7, 8, 9, and 10-speed road systems
9.2Excellent
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7
MEGHNAMEGHNA Rear Derailleur RD-M370 Bike Rear Derailleur 9 Speed Direct Mount for Mountain Bike
9.7 Easy installation9.3 lasts a long time9.3 worth the moneyWhy we love it
Smooth and light action shifting performance.
Perfect fit for various bike models.
Great value and easy to install.
9.1Excellent
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8
CNCCNC Rear Derailleur 9 Speed Direct Mount/Hanger Mount for Shimano/sram
Main highlights- Note:Bicycle rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
- Model：Bike rear derailleur compatible with Shimano/sram 9 speed mountain bikes.
- Material：Rear derailleur is made of aluminum alloy with good quality，durable and long service life，Easy to install and disassemble.
- Excellent Performance:MTB Rear Accurate gears provide light and stable shift performance,and making riding easy and comfortable.
- Application：Suitable for MTB,mountain bikes,Bmx，road bikes, folding bicycles and so on.
9.0Excellent
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9
ChooeeChooee Mountain Bike Rear Derailleur 9 Speed for Shimano/Sram,Direct Mount Rear Derailleur for MTB
Main highlights- 5;Try any product we sell for a full 30 days.Please feel free to contact if you have any questions, we will provide quality service
- 4;Wide application: Rear derailleur is Easy to install and Suitable for MTB,mountain bikes
- 3; Long Cage rear derailleur Compatible with 11-36t bicycle Cassette
- 2; *Note:The rear derailleur is direct mount,(not hub bolt mount) .（NOT Hanger Mount） Please check the mount type of the original part before ordering.
- 1;100% Compatible with Shimano ,SRAM 9 Speed rear derailleur
8.9Very Good
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10
SHIMANOShimano RD-R3000 SS, SORA 9 Speed. Lowest COG 25-32T
Main highlights- Stainless steel B-axle
- Painted finish
- Fluoric coated link bushings
- Compatible with Shimano 9-Speed STI levers
- Aluminum bracket body
8.8Very Good
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