The Best Shimano Rear Derailleur 21 Speed of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Shimano Rear Derailleur 21 Speed of 2022. Check our ranking below.
2,074 Reviews Scanned
- Model: RD-TZ31-A; Bike rear derailleur, compatible with 6/7 speed mountain bikes, commuter bike, tricycle, folding bike etc.
- Note: The bike rear derailleur is direct mount, not hub bolt mount. Please choose right mount way before you purchase.
- Stability: Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.
- Application: Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc.
- Important: We provide excellent customer service, please feel free to contact if you have any questions.
- Long cage design accommodates up to 34T cassette
- SIS indexing for smooth reliable performance
- 6/7-speed compatible
- 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
- [IMPORTANT] It's Direct Mount Rear Derailleur for Mountain Bike, not Hanger mount
- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage
- Largest Cog: 34
- Chain Wrap Capacity: 43
- Cage Length: Long
- Drivetrain Speeds: 8
- 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: With 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.
- Fast, shockless shifting and low-profile design.
- Advanced shifting makes trail riding easier.
- 12-speed rear drivetrain.
- Fit type: Universal Fit
- MODEL: RD-TY21B Black Rear Derailleur,Suitable for 6/7speed.
- PERFORMANCE:Forged with high hardness aluminum alloy.The hollow weight-reduction design is adopted,and the speed change is more stable.
- PRECISE ADJUSTMENT: High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.
- INSTALLATION:Fast and convenient installation and easy maintenance.(Note:The bike rear derailleur is hub bolt mount,not direct mount .Please check the mount type of the original part before ordering.)
- SCOPE OF APPLICATION:Suitable for mountain bikes, station wagons, folding bikes, etc.If you have any questions,please feel free to contact us.We will provide timely response and quality service.
- MODEL: SHIMANO TOURNEY RD-TY21B bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains.
- IMPORTANT: The bike rear derailleur is hanger mount (hub bolt mount), not direct mount.
- EXCELLENT PERFORMANCE: Accurate gears provide light and stable shift performance, and making riding easy and comfortable.
- MATERIAL: Made of high-quality steel materials, durable and long service life. Easy to install and disassemble.
- APPLICATION: Suitable for MTB mountain bike, road bikes, variable speed bicycle, folding and city bikes. It is your indispensable bicycle accessories during your cycling journey.
- Shimano Acera Rear derailleur compatible with all Shimano 7 & 8 Speed shifters. Advanced light action design.
- Direct frame fit. SIS Rear index shifting.
- Megapulley oversize jockey wheel. Smartcage pulley plate.
- Max Sprocket 34T. Min Sprocket 11T.
- Weight:303 Grams
Last update on 2023-06-11 / Affiliate links / Images from Amazon Product Advertising API
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