Road Bike Rear Derailleur 13T 17T Pulley Guide Wheel System for Shimano SRAM R5800 R6800 R7000 R8000

SWTXO Road Bike Rear Derailleur 13T 17T Pulley Guide Wheel System for Shimano SRAM R5800 R6800 R7000 R8000 R9000 Bicycle Part

Features:

????WHY USING OVERSIZED PULLEY WHEEL CAGE????: Upgrade your drivetrain for ultimate efficiency and superior performance.KWheel 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.????Lightweight????: Aluminum alloy rear derailleur Puuleys is ultra-light.????Reduce friction????: save 60% of friction resistance than 11T pulley????Smooth????: The ceramic bearing is smooth, which can save more than 2.4 watts????Durable????: Aluminum alloy frame + ceramic bearing + 7075 aluminum guide wheel (CNC)

Specifications：

Brand: SWTXOModel: SD1-5Material: 7075 AlloyBearing: CeramicGear:13T-17T

SD1 Rear Derailleur: Suitable for Shimano R6700 R6770 R6800 R6870 R9000 R9070

SD2 Rear Derailleur: Suitable for SRAM RED10S RED11S RIVAL10S RIVAL11S FORCE10S FORCE11S

SD3 Rear Derailleur: Suitable for Shimano R7000

SD4 Rear Derailleur: Suitable for Shimano R4600 R4700 R5700 R5800

SD5 Rear Derailleur: Suitable for Shimano R8000/R8050/R8070/R9170/R9150/R9100 (can work with 34T caette)

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