10 Best Rear Derailleurs 2019

Best 8 Speed Rear Derailleur on April 2024 Shopping Deals at Bestonio.com

  • Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black

    • UPC: 689228245433
    • ASIN: B000F5EGAA
    • Brand: SHIMANO
    • Size: SGS
    • Manufacturer: Shimano

    Shimano RD-M360 Acera Rear Derailleur 8 Speed Smart Cage / Direct Attach, Black. Smart Cage with 13 tooth pulley will take up more chain with a short cage which translates to crisper shifting.

  • SHIMANO RD-2400 8-Speed Claris Rear Derailleur with GS Medium Cage, Silver

    • UPC: 689228103849
    • ASIN: B00CABM7XK
    • Brand: SHIMANO
    • Size: GS
    • Manufacturer: Shimano (Accell North America)

    Shimano RD-2400 Claris rear derailleur brings sure shifting and light pedaling performance to the 8-speed road category.

  • Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage

    • UPC: 713831856783
    • ASIN: B005CMUQU0
    • Brand: SHIMANO
    • Size: DIRECT MOUNT
    • Manufacturer: Shimano

    Shimano Altus Rear Derallieurs.

  • Shimano Tourney 7/8-Speed Mountain Bicycle Rear Derailleur - RD-TX800-L (Black)

    • UPC: 689228601468
    • ASIN: B00O7XMG1C
    • Brand: SHIMANO
    • Size: 7/8 Speed
    • Manufacturer: Shimano

    Shimano Tourney RD-TX800 Rear DerailleursFeaturesTX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cageItem SpecificationsColor: SilverLargest Cog: 34Chain Wrap Capacity: 43Cage Length: LongDrivetrain Speeds: 8Rear Der/Shifter Compatibility: Shimano MountainRear Derailleur Mount Type: 10x1 Standard... [Read More]

  • JKSPORTS Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage (Silver)

    • UPC: 693973021273
    • ASIN: B07PSJ7NHJ
    • Brand: JKSPORTS
    • Manufacturer: SHIMANO JKSPORTS

  • 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 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.

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

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

  • 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

  • JKSPORTS Shimano ALIVIO M410 Mountain Bike Rear derailleur 8 Speed / 24 Speed Rear derailleur, Silver

    • UPC: 697091437466
    • ASIN: B071DZBRL4
    • Brand: JKSPORTS
    • Manufacturer: JKSPORTS

    Model: RD-M410. Level: ALIVIO / 8 speed / 24 speed.

  • Shimano Rear DERAILLEUR, RD-TX800, Tourney TX, 7/8-SPEED, Dire

    • UPC: 689228601451
    • ASIN: B00MV5PQEM
    • Brand: SHIMANO
    • Size: 7/8 Speed
    • Manufacturer: Shimano Cycling

    SHIMANO's Double Servo-Panta Mechanism enables the rear derailleur to move in an optimum path. The guide pulley tracks the cogs closely while moving front to back, optimizing each shift. Perfect tracking contributes to the most accurate SIS shifting.

  • SRAM X.4 R/R 8-Speed Trigger

    • UPC: 710845609589
    • ASIN: B001OQR64W
    • Brand: SRAM
    • Size: 8 Speed Rear
    • Manufacturer: SRAM

    Operating Range: MTBBrand: SRAMType: TriggerBuild: rightAdditional Information:1:1 translation for precise shifting and controlintegrated in housingcompatible: SRAM 1:1 derailleurs and Shimano-front derailleurMaterial:Composite housed thumb lever, small parts in steelStraight Shot cable openingGear lever:Scope of Delivery: right leverCompatible Lef... [Read More]

  • SRAM X5 9-Speed Rear Derailleur

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

    X5 9SP MED ALUMINUM BLACK

  • SHIMANO XT RD-M786-GS Shadow Direct Mount Rear Derailleur, Silver

    • UPC: 689228299474
    • ASIN: B007Q4N20S
    • Brand: SHIMANO
    • Size: Medium Cage
    • Manufacturer: Shimano

    Providing more spaces around RD dropout. Consistent shifting performance | Wide & Stable adjust range. Advanced concept | Low profile Shorter pulley cage

  • SHIMANO Claris RD-R2000-GS 8-Speed Medium Cage Rear Derailleur

    • UPC: 689228386082
    • ASIN: B073R1FKZP
    • Brand: SHIMANO
    • Size: Medium Cage
    • Manufacturer: Shimano

    Item SpecificationsCage Length: MediumDrivetrain Speeds: 8

  • Top-bike Tourney Rear Derailleur RD-TY300 6/7 Speed SGS Direct Mount

    • UPC: 602938350600
    • ASIN: B01D2WQ0TM
    • Brand: Top-bike
    • Manufacturer: Top-bike

    Material: Alloy Max Rear Sprocket: 34T, Min Rear Sprocket: 11T, Total Capacity: 43T Weight: 315g Perfect Replace: TZ31, TZ50, TX35, micro-turn and other low-end 6/7 speed bike rear derailleur Rear Derailleur Tutorial: 1. Completely loose the rear shift line, the chain hanging in the flywheel after the smallest teeth, turn the crankset. 2. If the c... [Read More]

  • 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]

  • 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 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

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