Best Pulleys Rear Bike Derailleurs in 2026

Replaces Y5YC98110

Rear Derailleur Pulley Assemblies

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

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

Great value Altus rear derailleur offering crisp performance on- and off-road for 9-speed drivetrains

Wide link design increases rigidity and service life

11-tooth pulleys for reduced pulley wear and chain noise

11 tooth pulleys offer long service life and less noise

Wheel type cable guide provides super light shifting action and clean cable routing

Built-in frame hanger

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!

Material: POM Teeth, NSK steel bearing, sice cap is alloy 7075-t6,shim is alloy 6061-t6

Teeth : 10T 12T 14T 16T

Weight: 10g/12T ; 12g/14T; 15g/16T

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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

Shimano Alivio M430 9-Speed Rear Derailleur Pulley Set

The SLX M7100 series of derailleurs deliver advanced shifting performance with decreased tension in the low gear position and an added bumper on the pulley cage.

Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

Fast and shockless shifting. Low-profile design. Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T (12-speed)

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 Shimano features a narrow wide tooth profile to ensure durable chain retention.The system consists of Top 12t & 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.

Premium Material: This pulley is made of CNC aluminum alloy, light weight, durable and long life.

Perfect for use: This pulley works with smooth ball bearings. It is an accessory required for bicycles. Fits almost any 11T or 13T mountain bike. Enjoy cycling.

Great workmanship: Bicycle guide wheel pulleys are anti-corrosion and corrosion resistant anodized. Therefore, it has good performance and can be used for a long time.

?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.

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

Altus RD-M2000 Rear Derailleur

🚴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.

PREMIUM MATERIAL: This pulley is made of CNC aluminum alloy, which is lightweight, durable and long service life.

GREAT WORKMANSHIP: The bike guide wheel pulley is anti rust and corrosion resistant anodized. So it can be use a long time with good performance.

PERFECT FOR USING: This pulley runs on smooth ball bearings, it's a necessary accessory for your bicycle. It fits for almost all mountain bike of 11T or 13T. Hope you will enjoy your cycling.

GOOD PERFORMANCE: Jockey Wheel is anti rust and corrosion resistant anodized

FINE WORKMANSHIP: These pulleys run on smooth ball bearings

TOP QUALITY: Made of CNC aluminum alloy, lightweight and durable

【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

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.