GX 2X11 BMX and Dirt Jump Tires is even lighter and more

is even lighter and more performing thanks to the new sole made of nylon with PU inserts

Our Series 1 aluminum frame is lightweight and responsive

0/SEEMEE 100AD taillights and MJ-6558 remote for intelligent one-touch control

It is compatible with 11-speed road

Available in Round Contour Fit to better match rounder head shapes

GX 2X11 BMX and Dirt Jump Tires is even lighter and moreGX provides the widest 2x11 gear range available. X ACTUATION technology eliminates slop and shifting variation ROLLER BEARING CLUTCH technology delivers maximum drivetrain stability 10 42 Compatible SRAM Model ID: RD GX 11 A1 Attributes Maximum Cog 42T Minimum Cog 10T Primary Color Black RD Weight 265g Speed 11 Mount Standard