Sram GX 10-Speed Rear Derailleur Medium Black Compatio_Enriched The Shimano ST-EF500 dual brake/shift

The Shimano ST-EF500 dual brake/shift lever features reach adjust technology and an optical gear display

1300 lumen front light utilizing 2 x Flood and 1 x Spot optical elements

8° backsweep orientation

Steilacoom Disc - 2014

Tread compound optimized for 30% pavement

Sram GX 10-Speed Rear Derailleur Medium Black Compatio_Enriched The Shimano ST-EF500 dual brake/shiftLeveraging the legendary history of SRAM shifting, the GX 2x10 rear derailleur provides incredible shifting speed and precision. EXACT ACTUATION technology eliminates slop and shifting variation. ROLLER BEARING CLUTCH technology delivers maximum drivetrain stability even through the most punishing terrain. And with CAGE LOCK technology, wheel removal and installation are easier than ever. EXACT ACTUATION for precise and dependable 10 speed performance