SunRace MZ91X Cassette - 12-Speed 10-50t Black Chrome For XD Driver Body Model=BB5 Mountain Disc Brake Accommodates hub widths from 75mm

Accommodates hub widths from 75mm to over 250mm

} Reinforced tripod type lightweight race stand

The All Terrain is always up for adventure

4mm Valve Presta Wheel-Brake Comp

Equipped with K-Guard Schwalbe`s entry level puncture protection

SunRace MZ91X Cassette - 12-Speed 10-50t Black Chrome For XD Driver Body Model=BB5 Mountain Disc Brake Accommodates hub widths from 75mmThe SunRace MZ91X 12 Speed XD Cassette features a wide ratio design. 12 speed wide ratio For XD driver body A7075 42T 50T sprocket Alloy spiders Alloy lockring and spacers Range 10 50 Cogs 10 12 14 16 18 21 24 28 32 36 42 50 Cassette Body Type SRAM XD Drivetrain Speeds 12 Color Black Chrome Weight 560 Defined Color Black