10 Best Rear Derailleurs 2019

Best 9 Speed Rear Derailleur on April 2024 Shopping Deals at Bestonio.com

  • SHIMANO RD-M591 Deore SGS Rear Derailleur (9-Speed, Long Cage, Black)

    • UPC: 689228295469
    • ASIN: B003OWPRLI
    • Brand: SHIMANO
    • Size: 9-Speed
    • Manufacturer: Cycle Force Group

    The Shimano Deore M591 SGS Rear Derailleur features direct cable routing and a strong guide spring to maintain chain tension and eliminate chainstay contact. Top-Normal shifting system is optimized for use with Shimano RapidFire shift levers and provides precise and rapid performance with a light shift effort.

  • SRAM X5 9-Speed Rear Derailleur

    • UPC: 710845673801
    • ASIN: B005GXPAYW
    • Brand: SRAM
    • Size: Medium Cage
    • Manufacturer: SRAM

    X5 9SP MED ALUMINUM BLACK

  • SHIMANO Sora 9-Speed Road Bicycle Rear Derailleur - RD-R3000-GS

    • UPC: 689228678668
    • ASIN: B01D8CP9B6
    • Brand: SHIMANO
    • Size: GS, SORA 9 SPEED. LOWEST COG 28-34T
    • Manufacturer: Shimano

    Shimano Sora RD-R3000 Rear DerailleursFeaturesPainted finishFluoric coated link bushingsStainless steel B-axleAluminum bracket bodyCompatible with Shimano 9-Speed STI leversItem SpecificationsColor: BlackLargest Cog: 34Chain Wrap Capacity: 43Cage Length: MediumDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano RoadRear Derailleur Mount Typ... [Read More]

  • SHIMANO Deore SGS RD-M592 Rear Derailleur (9-Speed, Long Cage, Black)

    • UPC: 689228295476
    • ASIN: B002PTQFXA
    • Brand: SHIMANO
    • Size: 9-Speed
    • Manufacturer: Shimano

    Brand: ShimanoType: DeoreAssembly: frame mountDerailleur Cage:Build: long

  • Shimano Alivio 9-Speed Mountain Bicycle Rear Derailleur - RD-M4000 - ERDM4000SGS

    • UPC: 689228578944
    • ASIN: B00MQL1KIC
    • Brand: SHIMANO
    • Size: SGS Long Cage
    • Manufacturer: Shimano

    Shimano Alivio RD-M4000 Rear DerailleursFeaturesLow profile "Shadow" design reduces exposure to crash damageResin plate body and carbon fiber reinforced plastic outer link for reduced weightItem SpecificationsColor: GrayLargest Cog: 36Chain Wrap Capacity: 45Cage Length: LongDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano MountainRear De... [Read More]

  • SHIMANO SGS Top Normal Shadow Rear Derailleur

    • UPC: 689228130333
    • ASIN: B000YBCNAA
    • Brand: SHIMANO
    • Size: 9 Speed
    • Manufacturer: Shimano

    Shimano has created a third rear derailleur option to join the ranks of the Top-Normal and Low-Normal versions: The Shadow. With a lower profile design, less body movement, increased protection and lighter weight, this long cage, rear derailleur is the perfect option for those of us who are more at home on extreme technical trails!

  • SRAM X5 9Sp Long Cage, Black

    • UPC: 710845682049
    • ASIN: B005GXPGPA
    • Brand: SRAM
    • Size: Max 36 Wrap 45 Cage Long
    • Manufacturer: SRAM

    Sram's exact ACTUATION results in the easiest index shifting system to set up and keep up. The X5 rear derailleur offers precise and dependable 9-speed performance at a cost that won't break the bank.

  • Shimano Sora R3000-SS Short Cage Rear Derailleur Black

    • UPC: 689228678651
    • ASIN: B01JV9CZVM
    • Brand: SHIMANO
    • Size: SS, SORA 9 SPEED. LOWEST COG 25-32T
    • Manufacturer: Shimano

    Shimano Sora RD-R3000 Rear DerailleursFeaturesPainted finishFluoric coated link bushingsStainless steel B-axleAluminum bracket bodyCompatible with Shimano 9-Speed STI leversItem SpecificationsColor: BlackLargest Cog: 32Chain Wrap Capacity: 37Cage Length: ShortDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano RoadRear Derailleur Mount Type... [Read More]

  • SHIMANO Acera 9 Speed Mountain Bicycle Rear Derailleur - RD-T3000 (Black - TOP-Normal, Direct Attachment)

    • UPC: 689228921283
    • ASIN: B01C52YXL2
    • Brand: SHIMANO
    • Size: TOP-NORMAL, DIRECT ATTACHMENT
    • Manufacturer: Shimano

    9 Speed Mountain Bicycle Rear Derailleur

  • microSHIFT MTB Mezzo Rear Derailleur RD-R45L (Long Cage) 8 / 9 Speed Bicycle Derailleur Compatible for Shimano

    • UPC: 602258048768
    • ASIN: B0165T3AXI
    • Brand: microSHIFT

  • SRAM X.4 Rear Derailleur (Black, Long Cage)

    • UPC: 710845609671
    • ASIN: B001FC9HRO
    • Brand: SRAM
    • Size: Long Cage
    • Manufacturer: SRAM

    The SRAM X.4 line-up sets the standard for recreational level shifting. The X.4 has an intelligent blend of performance and value for MTB or pavement. Compatible with 7-, 8-, and 9-speed systems, 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing. Must be used with ESP shifters.

  • Shimano Acera M3000-SGS 9-Speed Long Cage Rear Derailleur

    • UPC: 689228921221
    • ASIN: B013L38KRM
    • Brand: SHIMANO
    • Size: TOP-NORMAL, SHADOW DESIGN, DIRECT ATTACHMENT
    • Manufacturer: Shimano

    Shimano Acera RD-M3000 Rear DerailleursFeaturesLow profile "Shadow" design reduces exposure to crash damageItem SpecificationsColor: GrayLargest Cog: 36Chain Wrap Capacity: 45Cage Length: LongDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano MountainRear Derailleur Mount Type: 10x1 StandardRear Derailleur Mount Type: Shimano Rear Direct M... [Read More]

  • SHIMANO New Altus M370-SGS 9-Speed Long Cage Rear Derailleur Silver

    • UPC: 689228979628
    • ASIN: B00C45IRIQ
    • Brand: SHIMANO
    • Size: SGS
    • Manufacturer: Shimano

    Shimano Altus RD-M370/M310 Rear DerailleursItem SpecificationsColor: SilverLargest Cog: 34Chain Wrap Capacity: 45Cage Length: LongDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano MountainRear Derailleur Mount Type: 10x1 Standard

  • Shimano Deore XT RD-M786 SGS Shadow Plus Rear Derailleur, Black

    • UPC: 689228299290
    • ASIN: B007Q4MPXS
    • Brand: SHIMANO
    • Size: null
    • Manufacturer: Shimano

    The Shimano XT RD M786 Shadow Plus Rear Derailleur has so much going for it we're almost at a loss for words. Almost. Let's start with Shimano's new direct mounting system. If your frame is relatively new, chances are you'll be able to mount the RD-M786 without using a hanger. That means less flex, less wear, lighter weigh and fast and simple wheel... [Read More]

  • Shimano Deore SL-M590 Right 9-Speed Mountain Bicycle Shift Lever

    • UPC: 689228325807
    • ASIN: B00IKVJF8Y
    • Brand: SHIMANO
    • Size: 9 Speed
    • Manufacturer: Shimano

    SL-M590 Deore Right 9-Speed Shift Lever with Optical Gear Display. Includes 2050mm Inner Cable.

  • SRAM GX Type 2.1 Bicycle Rear Derailleur with 10 Speed Long Cage, Black

    • UPC: 757183591480
    • ASIN: B00V8RZ9SW
    • Brand: SRAM0
    • Manufacturer: SRAM

    Exact actuation technology eliminates slop and shifting variation. Roller bearing Clutch technology delivers maximum drivetrain stability-even through the most punishing terrain. And with cage lock technology, wheel removal and installation are easier than ever.

  • SHIMANO XT RD-M8000 Rear Derailleur One Color, Medium Cage

    • UPC: 689228919990
    • ASIN: B00WLFV0BU
    • Brand: SHIMANO
    • Size: Medium Cage
    • Manufacturer: Shimano

    Bringing constant refinement to the 11-speed XT drivetrain, the Shimano XT RD-M8000 Rear Derailleur offers improved chain retention when you're riding across jarring, rock-strewn trails. Benefiting from trickle-down technology from the XTR group, Shadow RD+ technology keeps the chain from bouncing around with its handy stabilizer switch. The Shadow... [Read More]

  • SRAM X.7 9-Speed Rear Derailleur Medium Cage '11 (Grey)

    • UPC: 710845647055
    • ASIN: B0009JUP9I
    • Brand: SRAM
    • Manufacturer: SRAM

    Brand: SRAMType: X.7Operating Range:Downhill & FreerideMTBCompatibility: 9speedAssembly: frame mountWeight: 225 gAdditional Information:1:1 translation for precise shifting and control3K-Carbon-cageover body and arm joint in forged aluminiumunder shifter body in GrilonDerailleur Cage:Build: middle length

  • Shimano Alivio T4000-Sgs 9-Speed Long Cage Rear Derailleur Black

    • UPC: 689228579101
    • ASIN: B00NGDSNF2
    • Brand: SHIMANO
    • Size: Long Cage
    • Manufacturer: Shimano

    Shimano Alivio RD-T4000 Rear DerailleursItem SpecificationsColor: BlackLargest Cog: 34Chain Wrap Capacity: 45Cage Length: LongDrivetrain Speeds: 9Rear Der/Shifter Compatibility: Shimano MountainRear Derailleur Mount Type: 10x1 Standard

  • SRAM X.5 Rear Trigger Shifter for 9 Speed Drivetrains, Black, 9 Speed

    • UPC: 710845684852
    • ASIN: B0063HG45Y
    • Brand: SRAM
    • Size: 9 Speed
    • Manufacturer: SRAM

    X5 offers proven performance, a high quality feel and strong market acceptance. The X5 provides a fantastic new point of value in the SRAM shifter offering. It is light, tough and World Cup DH proven.

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