BOX COMPONENTS BOX FOUR 8-SPEED 12-42T CASSETTE DERAILLEUR SINGLE SHIFTER BLACK
Features: Shifter 8 Single Speed Black P/N: BX-SH4-08ASS-BK; 8 Speed 116 Link Chain Natural P/N: BX-CN4-08A116-TI; Rear Derailleur 8 Speed Wide Cage Black P/N: BX-DR4-08AWC-BK. Seamless Bicycle Gear Shifter changes, impeccable durability, and a polished finish for the ultimate cycling experience.