SRAM EX1 8 Speed Rear Derailleur - Long Cage - Max 48T PLP|Riding Style Valve cap type: Alloy with

Valve cap type: Alloy with built in valve core remover

A1 levers have a silver knob and A2 have black knobs

Alivio BR-M4050

Cons: Some riders may want the added adjustability of controlling high-speed compression and rebound damping

SRAM EX1 8 Speed Rear Derailleur - Long Cage - Max 48T PLP|Riding Style Valve cap type: Alloy withSram's new EX1 derailleur capitalizes on the robust build and precise shifting attributes of the X HORIZON design, to create the world's first derailleur specifically made for E MTBs. Engineered to handle high torque, low cadence shifting across the 11 48 tooth E BLOCK cassette, the EX1 derailleur gives E MTB riders clean, confident shifts, so they can spend more time enjoying the ride. Features: Proven SRAM X HORIZON design that reduces shift force,