Best Ceramic Rear Bike Derailleurs in 2026

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

Model: RD-TY300 rear derailleur, compatible with 6 and 7-speed SIS INDEX variable speed transmission systems compatible with 11T /14T high speed gear

Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding Smooth shifting,

Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on.

Anodised CNC machined bicycle jockey wheel with fully sealed bearing for center bolt derailleurs

Specification:SHIMANO & SRAM

Fits for almost all mountain bike of 11T

10-Speed Rear Derailleur

【Model】 Shimano Tourney (SIS) RD-TZ31-GS 6/7 speed，medium-cage , direct mount.No retail packaging. Items as shown

【Specifications】 Total capacity(aka chain capacity) 34T, Largest sprocket 28T , Smallest sprocket 14T, Front chainwheel tooth difference 20T.

【Compatibility】 Compatible with 6 and 7-speed SIS Index Shifting drivetrains, for mountain bike.

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.

*Model：RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes.

*Note:The bike rear derailleur is hub bolt mount (hanger mount),not direct mount .Please check the mount type of the original part before purchasing.

*Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.

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.

Material: This bike derailleur pulley adopts quality aluminum alloy and ceramic material. It uses anti-rust and anti-corrosion materials to ensure long-term use, and resistant anodized machined bicycle jockey wheel ensure normal working.

Performance: this bike guide roller pulley not only reduces drag and improves cycle efficiency but is also very durable.

Additional accessories: The bicycle rear derailleur use ceramic bearings, for center bolt derailleurs which protect the bike. These pulleys run on smooth ball bearings.

JRC Components Ceramic Pulley Wheels are compatible with all SRAM Eagle Systems. Narrow-Wide Ceramic 12 + 14tooth Jockey Wheels are crafted from billet aluminium, CNC machined and finally anodised before having hybrid ceramic bearings installed.

Ultra Lightweight at only 27g per set.

Hybrid Ceramic bearings to lessen friction and packed with grease for flawless use all year round!

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PREMIUM ALUMINUM ALLOY: This bike derailleur pulley adopts quality aluminum alloy and ceramic material to ensure durable to use. It also can reduce drag force which can improve cycling efficiency.

ADDITIONAL ACCESSORY:It uses ceramic beads to protect the center bolt derailleur of the bicycle, and these pulleys run on smooth ball bearings.

SUPERIOR QUALITY: This deviator pulley bike made of CNC aluminum alloy, the jockey wheel is solid and lightweight. Metal and ceramic bearings ensure durability

ANTI-CORROSION: Antioxidant and anodized corrosion resistant, reduce friction, increase durability, for prolonged use

PRACTICAL & DURABLE: These ball-bearing pulleys work with smooth ball bearings. He has a good performance than plastic, rolling smoothly, with little chance of the chain getting stuck

QUALITY MATERIAL: This bike rear guide wheel adopt quality aluminum alloy which is durable to use.

CERAMIC MATERIAL: Ceramic material can reduce drag force which can improve cycling efficiency.

FASTER SPEED: Positive and negative tooth guide wheel, no strange voice and faster speed.

?LIGHTWEIGHT AND DURABLE?Bike jockey wheel pulley is made of cnc aluminum alloy, which is lightweight and durable.

?FOR MOST OF THE REAR DERAILLEUR?Bike jockey wheel apply for most of the rear derailleur on the market, support 7/8/9/10 speed.

?GREAT PERFORMANCE?Rear derailleur pulley is anti rust and corrosion resistant anodized. These pulleys run on smooth ball bearings.

WHY USING OVERSIZED PULLEY WHEEL CAGE-Upgrade your drivetrain for ultimate efficiency and superior performance.KCNC Wheel Bearings reduce friction, which gives you a lower rolling resistance.Upgrading your wheel bearings to oversized pulley will maximize the return you get from your energy.

THE EFFICIENCY OF OSPW-The Oversized Pully Wheel(OSPW) system reduces friction in the pulleys by 45 % and for your optimised performance.The overall power savings of the OSPW System reach 30%-60%, or more in some cases, over a stock setup.

NARROW WIDE PULLEY&DURABLE CHAIN RETENTION-The OSPW for SRAM Eagle Mechanical features a narrow wide tooth profile to ensure durable chain retention.The system consists of Top 14t & Bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy.Coated bearings prolong the lifetime even further.The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market.

【Bike Guide Roller】Diameter: 2 inch / 50cm; Teeth: 12T. Stronger compatibility with flexible rotation!

【Lightweight & Durable】Made of quality aluminum alloy with fully sealed bearing for center bolt derailleurs, Durable to use and longer life

【Ceramic Guide Pulley】Ceramic material can reduce drag force which can improve cycling efficiency. Ceramics bearing, super lubricating, noiseless!

【High Quality】- Made of aluminum alloy material, with upgraded CNC process. Our Bike Jockey Wheel Pulley is lightweight but durable, anti-corrosion and anti-rust.

【Ceramic Bearing Pulley】- New upgrade design, with ceramic bearing, can reduce the resistance during cycling, which ensures fast and sensitive working. Improve riding efficiency.

【Package Included】- Come with 2PCS Bicycle Rear Derailleur Pulleys, 2PCS Bike Rear Derailleur Bolts, and 2PCS 4mm Adapters, 2PCS 5mm Adapters. Can be converted into 4/5mm bearings after installation.

[ALUMINUM ALLOY & CERAMIC]: Adopting aluminum alloy and ceramic material, this product is lightweight and durable. Offers you a better cycling experience.

[SUITABLE FOR]: This Ceramic Bearings is a necessary accessory for your bicycle, which can be applied for most mountain bike. Supporting for various speed shifting.

[COMPATIBILITY]: This product is compatible for most of rear derailleur on the market and adjust to 7/8/9/10 speed.

【Less Friction, Faster Ride】TRiPEAK SHIMANO/SRAM 10/11 speed pulleys with signature ceramic bearings offer distinguished smoothness to your paddling. Being 58% lighter and 120% harder, the pulleys grant creamy chain rotation with notably less friction and noise.

【Derailleur Compatibility】Fits SHIMANO Ultegra 8000, Dura Ace 9100, 105 R7000 road bike series, SRAM 10/11 speed road groupset series, with friction reduced to the minimum.

【Maximize Power Transfer】Provides stable chain retention and crisp shifting with the least drag. Unparalleled smoothness is guaranteed.

VARIOUS SPEED: Our jockey wheel fits for almost all mountain bike of 11T and 13T, suiatable for use 4 / 5 / 6 mm guide wheel screws.

SAFETY RELAX: Our 11 tooth pulley wheel is sensitive and safe, let your cycling exprience more safety and relax.

HIGH QUALITY MATERIAL: Adopting aluminum alloy and ceramic material, lightweight and durable.

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

Color: gold/ black. Gear ratio:13-18T. Size: 14*9.2*1.5cm. Composed of full carbon fiber cage, 7075 aluminum alloy pulley wheel and ceramic bearing

The system consists of Top 13t & Bottom 18t aluminum alloy pulley wheels fitted with low friction ceramic bearings and a lightweight cage.

Carbon fiber cage and 7075 aluminum alloy pulley wheels provide higher stability and strength while reducing weight. The entire system weighs about 87g.

🚴XL1 OSPW For: SHIMANO R8000/R8050/R8070/R9170/R9150/R9100

🚴17 Teeth Guide Wheel: Save 60% of friction resistance.

🚴Lightweight: Carbon fiber rear derailleur Pulleys, weighing only 0.19lb.

MODEL: RD-M310 Altus Rear Derailleur for Shimano Compatible with 7/8 Speed / D-ATT Black.

EXCELLENT PERFORMANCE: Wide link design ensures durability and precise shifting. Large guide wheel design reduces noise and wear.

PARM: Max Rear Sprocket: 34T, Total Capacity: 43T, Derailleur Action: Top Normal (Traditional), Cage Length: Long.

【Presenting the Best】TRiPEAK ceramic bearing offers distinguished smoothness to your paddling. Being 58% lighter and 120% harder, the pulley grants creamy chain rotation with notably less friction and noiseless.

【Oversized Pulley】12&14-Tooth oversized design with wide and narrow tooth shapes. Offering precision in chain engagement, ultra smooth performance and significantly reduced friction.

【Derailleur Compatibility】Fits SHIMANO Road Ultegra 8000/Dura Ace 9100/105 R7000 11 speed series, with the least drag ever.

Material: [cages] carbon fiber, [pulleys] ceramic

Capacity: 32t

Cassette Range: 11 - 32t

【premium quality】--11T Jockey Wheel Rear Derailleur Pulley ，100% Brand New and high quality，using cnc processing，Aluminum alloy construction is anti-rust and corrosion resistance, durable for long time use. which can ensure a long service life

【high stability】--Bike Rear Derailleur Pulley，the Inner ceramic bearing is ultralight and owns high degree of lubrication, which can ensures its smooth working. Make riding more stable

【use】--Rear Derailleur Pulley is used on rear derailleur for chain transportation and speed changing. A necessary accessary for your bicycle.

Excellent Performance :This Rear Derailleur Pulley is used on rear derailleur Compatible with chain transportation and speed changing. This is a necessary accessory Compatible with your ycle.Fine workmanship and precise technology can provide customers satisfied services.

Excellent Performance :This Rear Derailleur Pulley is used on rear derailleur Compatible with chain transportation and speed changing. This is a necessary accessory Compatible with your ycle.Fine workmanship and precise technology can provide customers satisfied services.

Excellent Performance :This Rear Derailleur Pulley is used on rear derailleur Compatible with chain transportation and speed changing. This is a necessary accessory Compatible with your ycle.Fine workmanship and precise technology can provide customers satisfied services.

durability MATERIAL: Made of quality aluminium alloy material, this bike derailleur pulley is wear resistant, sturdy and durability.

HIGE CYCLE EFFICIENCY: Ceramic material reduce resistance and improve cycle efficiency. Positive and negative tooth guide wheel, no strange sound, faster speed.

HIGH PRECISION: Fine workmanship, high precision, can better adapt to other components.

Made of aluminum alloy material, anti-rust and anti-corrosion, lightweight and durable.

This bike guide roller pulley can reduce drag and improve cycle efficiency, offers you a better cycling experience.

High rigidity ceramic bearing, super smooth and noiseless.