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After deep searching of thousands and millions of articles and reviews by our dynamic Artificial Intelligence and ML tools; and thorough refining, examination and screening by our experienced high-technology experts, the golden shortlist for the Best Rear Bike Derailleurs (2021) is finally compiled.
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In order to find the Best Rear Bike Derailleurs (2021), our powerful platforms and gurus have taken many factors into account such as product fitness for use, user-friendly features and give customer satisfaction, deficiency-free, conformance of standards, worthiness for money, robustness, user-oriented design, quality conformance to user requirements and good practises, protection and safety, actual buyer satisfaction and lots of others. It is worth to note that each user has different requirements so please consider the below benchmarking as a guideline and not as a gospel. Nevertheless, in the below shortlist you can definitely find the overall best ones despite your requirements.
Our smart platforms and qualified high-technology experts work hard to identify the best product options. We firmly believe that that our review evaluation can help you simplify your purchase decision and make a pick among the truly Best Rear Bike Derailleurs (2021).
Best Rear Bike Derailleurs
- 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
- Durable light action shifting performance for stress free riding, quick assembly.
- TZ 50 Rear Derailleur: Speed: 6/7 speed.
- Smooth shifting, easy and fast to install, large guide wheel, low noise.
- Integrated chain spotter protects your frame without adding any extra clunk and adjusts independently of the derailleur itself.
- Recommended models: mountain bike, folding model, home bike ect.
- [IMPORTANT] It’s Direct Mount Rear Derailleur for Mountain Bike, not Hanger mount
- Extended B-Knuckle for improved clearance for 28t cassettes
- Exact Actuation shifting provides fast, accurate shifts
- Outside Carbon Cage designed for precise chain management and new reduced profile inner cage
- AeroGlide Pulleys with steel bearings
- Weight: 178g (short cage)
- Model：RD-TX800 rear derailleur compatible with 8 and 9 speed SIS Index Shifting drivetrains.
- Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
- Stability: 13T Pulley_Teeth, which reduces noise and brings excellent speed change performance to ensure long-term comfortable riding.
- Long cage:Long cage design,features an oversized jockey wheel,and total package capacity 43T.
- Wide application:Tourney rear derailleur is easy to install and use.Suitable for MTB,mountain bikes, folding bicycles etc.
- Model:Bike Rear Derailleur RD-TY21B 6/7 Speed for Mountain Bicycle( It’s Hanger mount Rear Derailleur for Mountain Bike, not Direct Mount)
- Performancel:The high-quality aluminum alloy material is strong and durable, and the speed change performance is stable and sensitive.
- Installationl:Fast and convenient installation and easy maintenance.
- Scope of application:Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.
- Importantl:If you have any questions, please feel free to contact us. We will provide prompt response and quality service.
- Model：RD-TY300 bike rear derailleur compatible with 6/7/8 speed SIS Index Shifting drivetrains.
- Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.
- Long cage:Long cage design,features an oversized jockey wheel,and total package capacity 43T.
- Stability: 13T Pulley_Teeth, which reduces noise and brings excellent speed change performance to ensure long-term comfortable riding.
- Wide application:Tourney rear derailleur is easy to install and use.Suitable for MTB,mountain bikes, folding bicycles etc.
- Rear derailleur, 7 speed positioning rear shifting chain (7-speed Zui Jia, 8-speed compatible)
- Smooth shifting, easy and fast to install, large guide wheel, low noise
- Long cage tourney derailleur, compatible with 11T high speed gear
- B tension adjustment screw for simple adjustment
- Excellent quality products, superb customers care, warranty: 12-month
- 🚲[installation tutorial-1]: apply solid grease to the lock point of the rear hook claw first, so as to make the installation more smooth and avoid damage to the lock point. Note: ty300 is only suitable for 6 / 7 speed mountain bike, and cannot be installed on 8 / 9 speed mountain bike, which will cause damage.
- 🚲[installation tutorial-2]: confirm that there is mutual stop between the rear locking screw and the rear claw, and then lock the rear transmission with a 5mm hexagon wrench.
- 🚲[installation tutorial-3]: use a 2.5mm Allen wrench to adjust the H screw so that the tooth tip of the upper guide wheel is aligned with the outside of the minimum flywheel tooth tip.
- 🚲[installation tutorial-4]: move the rear transmission to the maximum flywheel, adjust the L screw with a 2.5mm Allen wrench, so that the tooth tip of the upper guide wheel is aligned with the outside of the tooth tip of the largest flywheel.
- 🚲[installation tutorial-5]: use a 2.5mm Allen wrench to adjust the tension screw B, so that the distance between the upper guide wheel and the tooth tip of the largest flywheel can not be less than 6mm.
- 105 RD-R7000 Rear Derailleur
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