Best Mountain Bike Derailleurs

Rear derailleur is something I’d never thought I’d say outloud.  However, if you’ve been moutain biking for any length of time you’ve probably had to adjust the mountain bike derailleurs.   What’s a derailleur you might ask!   It’s a fancy sounding name for the thing that adjusts the it’s position to keep the tension on the chain as you change gears.   If you’re bike cost under $1,000 you probably need to upgrade that mountian bike derailler.   Just like our review of chain tensioners, you’ll find that there are a plethora of choices when you want to select the best mountain bike derailleur.  You can purchase a decent bike frame from a local store and then upgrade the parts and have a pretty solid mountain bike.

Best Mountain Bike Derailleurs

Bestseller No. 1
MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black
  • Model:RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions, we will provide quality service.
Bestseller No. 2
ENBO Tourney Bike Rear Derailleur RD-TY300 6/7 Speed Sis Index Direct Mount for Mountain Bicycle (Not Hanger Mount)
  • Model: RD-TY300 rear derailleur, compatible with 6 and 7-speed SIS INDEX variable speed transmission systems, upgraded of RD-TX35.
  • Long Cage: RD-TY300 is long cage tourney derailleur, features an oversized jockey wheel, the total package capacity 43T.
  • Technologies: Double servo, SIS index system, HG(HyperGlide).
  • Installation: This rear derailleur is eye-mounted (direct mount), not hanger mount. TY300 is only suitable for 6 / 7 speed mountain bike, and cannot be installed on 8 / 9 speed mountain bike, which will cause damage. Please check the mount type of the original part before ordering.
  • Application: Suitable for MTB mountain bike, road bikes, variable speed bicycle, etc. If you have any questions, please feel free to contact us. We will provide timely response and quality service.
SaleBestseller No. 3
Inkesky Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike
  • [IMPORTANT] It's Direct Mount Rear Derailleur for Mountain Bike, not Hanger mount
SaleBestseller No. 4
BATULLO Rear Derailleur RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for Mountain Bike
  • MODEL:RD-TZ31-A bike rear derailleur.This is a mountain bike derailleur, which is basically suitable for mountain bike, and can adjust the speed of 6 / 7.
  • Easy to Install: Adopt ergonomic design, with simple design, easy to install and remove, convenient to use.
  • Premium Quality:Accurate gears provide light and stable shift performance,and making riding easy.
  • Applicable Occasion: Compatible with 6/18 Speed 7/21 Speed, suitable for mountain bikes and road bikes.
  • GURANTEE:Suitable for mountain bikes,folding bicycles, commuter bikes.If you have any questions, please contact us, we will provide you with the best solution
SaleBestseller No. 5
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger
  • Includes frame hanger
  • Largest Cog: 34
  • Chain Wrap Capacity: 43
  • Cage Length: Long
  • keyword search: Replaces rd8162
Bestseller No. 6
MEGHNA Shimano Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike (Black)
  • Model:RD-TZ31-A rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The bike rear derailleur is direct mount,not hub bolt mount.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Application: Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions.
Bestseller No. 7
SaleBestseller No. 8
Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
  • Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional)
  • Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 8, Largest Cog: 34teeth
  • Shifter/Rear Derailleur : Shimano, Speeds: 8sp, Weight: 326g
Bestseller No. 10
MRCUFF Bicycle Gears Really Moves Bike Cycling Cyclists Derailleur Steampunk Pair Cufflinks Presentation Gift Box & Polishing Cloth
  • MRCUFF Bicycle Gears Really Moves Bike Cycling Derailleur Triathlon Pair Cufflinks Presentation Gift Box & Polishing Cloth
  • Arrives in hard-sided presentation box ready for gift giving, then can be used for storage, travel case or display box. Your french cuffs or tuxedo will never look better than with MRCUFF on your sleeve.
  • Perfect for weddings, formal or business attire, awesome gifts for best man, groom, father, boss, boyfriend, husband or dad.
  • We make your gift giving choice easy for Anniversaries, special occasions, business, Christmas, Weddings, Birthdays and more.
  • Microfiber polishing cloth for cuff links gift included with each set. 30 day, no reason needed return policy. Perfect for your favorite computer geek, nerd and kid at heart.

Bestselling Mountain Bike Rear Derailleurs

Bestseller No. 1
MOHEGIA Bike Rear Derailleur RD-TY21B 6/7 Speed Direct Mount for Mountain Bicycle-Black
  • Model:RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions, we will provide quality service.
Bestseller No. 2
ENBO Tourney Bike Rear Derailleur RD-TY300 6/7 Speed Sis Index Direct Mount for Mountain Bicycle (Not Hanger Mount)
  • Model: RD-TY300 rear derailleur, compatible with 6 and 7-speed SIS INDEX variable speed transmission systems, upgraded of RD-TX35.
  • Long Cage: RD-TY300 is long cage tourney derailleur, features an oversized jockey wheel, the total package capacity 43T.
  • Technologies: Double servo, SIS index system, HG(HyperGlide).
  • Installation: This rear derailleur is eye-mounted (direct mount), not hanger mount. TY300 is only suitable for 6 / 7 speed mountain bike, and cannot be installed on 8 / 9 speed mountain bike, which will cause damage. Please check the mount type of the original part before ordering.
  • Application: Suitable for MTB mountain bike, road bikes, variable speed bicycle, etc. If you have any questions, please feel free to contact us. We will provide timely response and quality service.
SaleBestseller No. 3
Inkesky Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike
  • [IMPORTANT] It's Direct Mount Rear Derailleur for Mountain Bike, not Hanger mount
SaleBestseller No. 4
BATULLO Rear Derailleur RD-TZ31-A 6/7 Speed Hub Bolt Mount (Hanger Mount) for Mountain Bike
  • MODEL:RD-TZ31-A bike rear derailleur.This is a mountain bike derailleur, which is basically suitable for mountain bike, and can adjust the speed of 6 / 7.
  • Easy to Install: Adopt ergonomic design, with simple design, easy to install and remove, convenient to use.
  • Premium Quality:Accurate gears provide light and stable shift performance,and making riding easy.
  • Applicable Occasion: Compatible with 6/18 Speed 7/21 Speed, suitable for mountain bikes and road bikes.
  • GURANTEE:Suitable for mountain bikes,folding bicycles, commuter bikes.If you have any questions, please contact us, we will provide you with the best solution
SaleBestseller No. 5
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger
  • Includes frame hanger
  • Largest Cog: 34
  • Chain Wrap Capacity: 43
  • Cage Length: Long
  • keyword search: Replaces rd8162
Bestseller No. 6
MEGHNA Shimano Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike (Black)
  • Model:RD-TZ31-A rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The bike rear derailleur is direct mount,not hub bolt mount.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Application: Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions.
Bestseller No. 7
SaleBestseller No. 8
Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
  • Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional)
  • Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 8, Largest Cog: 34teeth
  • Shifter/Rear Derailleur : Shimano, Speeds: 8sp, Weight: 326g

Top Shimano Mountain Bike Derailleurs

SaleBestseller No. 1
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger
  • Includes frame hanger
  • Largest Cog: 34
  • Chain Wrap Capacity: 43
  • Cage Length: Long
  • keyword search: Replaces rd8162
Bestseller No. 2
MEGHNA Shimano Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike (Black)
  • Model:RD-TZ31-A rear derailleur compatible with 6/7 speed mountain bikes.
  • Note:The bike rear derailleur is direct mount,not hub bolt mount.
  • Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
  • Application: Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
  • Important: Please feel free to contact if you have any questions.
Bestseller No. 3
SaleBestseller No. 4
Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage
  • Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional)
  • Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 8, Largest Cog: 34teeth
  • Shifter/Rear Derailleur : Shimano, Speeds: 8sp, Weight: 326g

 

How To Set Up A Mountain Bike Derailleur

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