Product Description Upgrade your MTB drivetrain with this rear derailleur cage pulley system, designed for smoother chain movement, reduced drivetrain friction and stable shifting performance on rough terrain. The cage body and pulley wheels are made from 7075 aluminum alloy, offering high strength, lightweight performance and excellent durability for MTB, cross-country, trail, all-mountain, enduro and e-bike riding. Available in two compatibility versions: one for Shimano 12-speed MTB derailleurs and one for SRAM Eagle AXS / Eagle mechanical derailleurs. Please choose the correct model before ordering. Main Features 7075 Aluminum Alloy Construction The cage body and pulley wheels are made from 7075 aluminum alloy, providing a strong, lightweight and durable upgrade for mountain bike drivetrains. 12T + 14T Pulley Design Equipped with a 12T upper pulley and 14T lower pulley to help guide the chain smoothly and improve drivetrain efficiency. Smooth Chain Operation Precision-machined pulley wheels help reduce friction, improve chain movement and support stable shifting during off-road riding. Designed for MTB Riding Suitable for cross-country, trail, all-mountain, enduro and e-bike use. Multiple Model Options Two versions are available for different derailleur systems: JT11A: for Shimano XTR / XT / SLX 12-speed JT11B: for SRAM Eagle AXS / SRAM Eagle mechanical Lightweight Design JT11A weight: approx. 79 g JT11B weight: approx. 85 g Compatibility Guide JT11A - Shimano Version Compatible with: Shimano XTR M9100 12-Speed Shimano XT M8100 12-Speed Shimano SLX M7100 12-Speed Chain compatibility: 12-speed chain Weight: Approx. 79 g JT11B - SRAM Eagle Version Compatible with: SRAM Eagle AXS SRAM Eagle Mechanical Chain compatibility: 11-speed / 12-speed chain Weight: Approx. 85 g Important note: Not compatible with the new SRAM Eagle Transmission T-Type groupsets, including SRAM X0 Eagle AXS, SRAM XX Eagle AXS and SRAM XX SL Eagle AXS. Technical Specifications Item JT11A Shimano Version JT11B SRAM Eagle Version Product Type Rear Derailleur Cage Pulley System Rear Derailleur Cage Pulley System Compatible System Shimano MTB 12-Speed SRAM Eagle AXS / Eagle Mechanical Compatible Models XTR M9100 / XT M8100 / SLX M7100 SRAM Eagle AXS / SRAM Eagle Mechanical Chain Compatibility 12-Speed 11-Speed / 12-Speed Cage Material 7075 Aluminum Alloy 7075 Aluminum Alloy Pulley Material 7075 Aluminum Alloy 7075 Aluminum Alloy Upper Pulley 12T 12T Lower Pulley 14T 14T Pulley Color Black Anodized Black Anodized Cage Color Black / Silver / Bronze Black / Silver / Bronze Weight Approx. 79 g Approx. 85 g Use MTB / XC / Trail / Enduro / E-bike MTB / XC / Trail / Enduro / E-bike Package Includes 1 × Rear Derailleur Cage Pulley System Buyer Notice Please check your rear derailleur model carefully before ordering. JT11A is only for Shimano XTR M9100, XT M8100 and SLX M7100 12-speed rear derailleurs. JT11B is only for SRAM Eagle AXS and SRAM Eagle mechanical rear derailleurs. JT11B is not compatible with SRAM Eagle Transmission T-Type groupsets. Model 2--JT11B- SRAM Eagle AXS, SRAM Eagle mechanical Technical specifications: intended use : MTB cross-country, trail, all-mountain, enduro, e-bike Material cage: 7075 aluminum Material wheels: 7075 aluminum Number of teeth on top: 12 Number of teeth below: 14 Compatibility rear derailleur: SRAM Eagle AXS, SRAM Eagle mechanical Compatibility chain: 11-speed , 12-speed Color switch pulleys: black anodized Color derailleur cage: Black, Silver, Brozen Weight according to the manufacturer: 85g NOTE: The rear derailleur cage system is not compatible with the new SRAM AXS Eagle Transmission (T-Type) groupsets (SRAM X0 Eagle AXS / SRAM XX Eagle AXS / SRAM XX SL)! More detail photo

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